I have looked over and thought about the scripture basis for my beliefs of the work of the Holy Spirit or His Presence in the tribulation or 70th week of Daniel. I have found my beliefs are more based on the absence of references to the Holy Spirit and His work especially in the Book of Revelation although there are a couple references. In the letters to the churches in Revelation chapters 2 and 3 the expression "he that has an ear let him hear what the Spirit says to the churches" is used for each church signifying the work of the Holy Spirit towards believers in this present Church age. This expression is not used in Revelation after chapter 3 as the end of chapter 3 and beginning of chapter 4 mark the end of the Church age in Revelation and the work of the Holy Spirit in the Church's ministry on earth in this age.
However another term for the Holy Spirit is the seven Spirits of God. Although this term is used in Revelation 1:4, 3:1 and 4:5, I think the term the seven Spirits of God around the throne, Revelation 1:4 and 4:5 mention the Holy Spirit around God's throne and Revelation 3:1 is about the Church Age with Jesus having the Holy Spirit and carrying out His work through the Holy Spirit in the Church. I believe the reference in Revelation 4 to the seven spirits of God is also a reference to the Holy Spirit in the tribulation but in that case still centred around the throne of God (the Father) and the Lamb (God the Son Jesus Christ) in heaven. This will be after the rapture or catching up to heaven of the Church symbolized by the apostle John representing the Church being caught up to heaven after the letters to the churches and just after John is caught up an angel saying to him that the angel will show him things after his catching up to heaven and after the current Church Age in Revelation 2 and 3 with the letters to the Churches. When John representing the true Church is caught up to heaven he is immediately brought before God and His throne there. Around God's throne then are 24 elders with crowns that I believe represent Christians or the true Church after the judgment seat of Christ takes place right after the rapture of the Church where Jesus will provide rewards or crowns to Christians for faithful Christian service to God the Father through Jesus in this life on Earth and in this present Church Age or Age or Dispensation of Grace that started at Pentecost and will end with the rapture of the Church very soon. What is particularly important about the reference to the Holy Spirit in Revelation 4 is that He is associated with a picture of seven lamps of fire burning before God's throne. In this case the Holy Spirit would be implied to also be the oil in the lamps allowing them to burn for a testimony before God the Father and God the Son Jesus Christ on His throne in heaven. There is likely an association of the seven spirits of God representing the Holy Spirit around God's throne in heaven at the beginning of the tribulation in chapter 4 and the seven Spirits of God sent out into all the earth in Revelation 5. This association probably means at least in part that the Holy Spirit in the tribulation will also be a means of witness and having the power or life of God for people who become believers and witnesses of the one true God on earth in the tribulation after the true Church or spiritual people of God is taken to heaven at the end of this current Church Age just before the tribulation. The believers in the tribulation will be those who become saved people and in some sense having God's Holy Spirit after the rapture of the Church from both Jewish or Israelite background and from those of the Gentiles or non-Israelite nations. There is likely an associated reference to the Holy Spirit in these tribulation believers in some Gospel passages like that of the 5 wise virgins in the parable of the ten virgins in Matthew 25:1-10 and in Luke 12:35-40 of servants waiting for their Lord to return at night from a wedding feast which will be of Jesus with His bride the Church and mentioned in Revelation 19:1-10. Some references to the expression the seven Spirits of God in the Book of Revelation are as follows:
John to the seven churches which are in Asia: Grace be unto you, and peace, from him which is, and which was, and which is to come; and from the seven Spirits which are before his throne; Revelation 1:4
And unto the angel of the church in Sardis write; These things saith he that hath the seven Spirits of God, and the seven stars; I know thy works, that thou hast a name that thou livest, and art dead. Revelation 3:1
And out of the throne proceeded lightnings and thunderings and voices: and there were seven lamps of fire burning before the throne, which are the seven Spirits of God. Revelation 4:5
In Revelation 5:6 the scripture says the seven Spirits of God are sent forth throughout all the earth. This is associated with the Lord Jesus Christ about to unloose the first plagues that start the tribulation in Revelation 6, the seal judgments so this work of the Holy Spirit or seven Spirits of God will be to convict people of their sins, partly through the plagues that will occur throughout the tribulation or 70th week of Daniel. However this reference could also be to the Holy Spirit sent out to bless those who trust in Jesus during the tribulation so they could have the Holy Spirit on or indwelling them to give them a good witness to others and to God and to give them more understanding of what will be happening then of earth and to keep focused on looking forward to Jesus coming for them to let them reign with Him in His Kingdom on Earth after Jesus second coming at the end of the tribulation when He will also judge the world. The reference to the seven Spirits of God being sent into the world as a reference of the Holy Spirit to convict people of their sins in the tribulation in Revelation 5 is as follows:
And one of the elders saith unto me, Weep not: behold, the Lion of the tribe of Judah, the Root of David, hath prevailed to open the book, and to loose the seven seals thereof. And I beheld, and lo, in the midst of the throne and of the four beasts, stood a Lamb as it had been slain, having seven horns and seven eyes, which are the seven Spirits of God sent forth into all the earth. Revelation 5:5-6
Related to the passages in Revelation especially the ones in chapters 4 and 5 of the Holy Spirit pictured as the seven spirits of God and as the means of first lamps burning in heaven and then sent out into the world is this parable of those people on earth during the tribulation who receive the Lord Jesus Christ as their personal Lord and Saviour and receive His Holy Spirit to give life and a witness before God and their fellow humans on earth. However the people in Luke 12 and as the servants with the oil in their lamps could include people who have been enlightened by God's Holy Spirit about the true way of salvation through Jesus and trusting in His death for our sins and resurrection for God's new life but haven't totally put their faith in Jesus alone but are substantially trusting in their own good works or being a good person for justification before God. This would be similiar to some of the Jews or Israelites in the 1st century who received an understanding of God's way of salvation in Jesus alone but were still trusting in the works of the Law of Moses mostly for their justification before God as mentioned in Hebrews 6:1-6. However I believe the Holy Spirit sent out into the all the earth in Revelation 5 will also have a role to convict people then on earth who haven't yet become believers in God of their sins. The scripture reference from Luke 12 of the Holy Spirit giving light to those people on earth who become God's servants during the tribulation through faith in Jesus as personal Lord and Saviour or Lord and Redeemer and who receive the Holy Spirit sent out into the earth mentioned as the seven Spirits of God Who provided the oil pictured as giving light to burning lamps around God's throne in Revelation is as follows:
Let your loins be girded about, and your lights burning; And ye yourselves like unto men that wait for their lord, when he will return from the wedding; that when he cometh and knocketh, they may open unto him immediately. Blessed are those servants, whom the lord when he cometh shall find watching: verily I say unto you, that he shall gird himself, and make them to sit down to meat, and will come forth and serve them. And if he shall come in the second watch, or come in the third watch, and find them so, blessed are those servants. And this know, that if the goodman of the house had known what hour the thief would come, he would have watched, and not have suffered his house to be broken through. Be ye therefore ready also: for the Son of man cometh at an hour ye think not. Then Peter said unto him, Lord, speakest thou this parable unto us, or even to all? And the Lord said, Who then is that faithful and wise steward, whom his lord shall make ruler over his household, to give them their portion of meat in due season? Blessed is that servant, whom his lord when he cometh shall find so doing. Of a truth I say unto you, that he will make him ruler over all that he hath. But and if that servant say in his heart, My lord delayeth his coming; and shall begin to beat the menservants and maidens, and to eat and drink and to be drunken; The lord of that servant will come in a day when he looketh not for him, and at an hour when he is not aware, and will cut him in sunder, and will appoint him his portion with the unbelievers. And that servant, which knew his lord's will, and prepared not himself, neither did according to his will, shall be beaten with many stripes. But he that knew not, and did commit things worthy of stripes, shall be beaten with few stripes. For unto whomsoever much is given, of him shall be much required; and to whom men have committed much, of him they shall ask the more. Gospel of Luke 12:35-48
Because the tribulation will be the 70th week of Daniel it will have similiarities to how God dealt with Israel under the law more than the present Church Age. Although God used the Holy Spirit in the time of Israel under the Law of Moses and some men of God especially Moses and David were even indwelt by the Holy Spirit instead of Him just coming upon them, believers in the Old Testament still didn't have the baptism of the Holy Spirit or the gifts or fruit of the Holy Spirit as is true of all believers in the present Church Age. Certainly the baptism, fruit or gifts of the Holy Spirit are not mentioned of any believer in the Old Testament or of believers in the tribulation in the Book of Revelation.
Based on 2 Thessalonians 2 about the restrainer of in the King James Version "he who now lets (restrains)" I now don't think the Holy Spirit will be removed from earth at the rapture or catching up to heaven of the Church before the tribulation but that his type of work through the Church such as the baptism, fruit and gifts of the Holy Spirit will cease for believers on earth but will continue with Christians who will then be in heaven. The Holy Spirit is God and omnipresent (everywhere present) so I think this is possible. The scripture reference in 2 Thessalonians 2 of at least limiting the work of the Holy Spirit after the catching up of Holy Spirit indwelt Christians to heaven is as follows:
And now ye know what (the Holy Spirit) withholdeth that he (the antichrist or man of sin) might be revealed in his time. For the mystery of iniquity doth already work: only he (the Holy Spirit) who now letteth will let (restrain), until he be taken out of the way. 2 Thessalonians 2:6-7
Revelation 7 also says the 144,000 witnesses will be each sealed by God and this is a reference they will be sealed by the Holy Spirit and probably filled by the Holy Spirit but again more in an Old TEstament sense like some of the people of God. The scripture reference from Revelation 7 of the sealing of the 144,000 witnesses in the tribulation is as follows:
And I saw another angel ascending from the east, having the seal of the living God: and he cried with a loud voice to the four angels, to whom it was given to hurt the earth and the sea, Saying, Hurt not the earth, neither the sea, nor the trees, till we have sealed the servants of God in their foreheads. And I heard the number of them which were sealed: and there were sealed an hundred and forty and four thousand of all the tribes of the children of Israel. Revelation 7:2-4
About the pouring out of the Holy Spirit as quoted by the apostle Peter on Pentecost from Joel, I think that work of the Holy Spirit for the Church will continue until the rapture of the Church that will end the Church age on earth. However in Joel 2:28 the word afterward is used which refers to the preceding verses that mention the beginning of the Millennial or Messianic Kingdom when the Lord Jesus Christ (Messiah) will visibly exercise God's rule on earth for 1000 years especially through restored Israel but also the true Church. This will be after the tribulation and second coming of Messiah Jesus. So verses 28 and 29 of Joel 2 start and continue from the beginning of the Millennial Kingdom and are not for the tribulation. According to this verses 30 to 32 of Joel 2 are for the tribulation. The scripture references from Acts 2 and Joel 2 of the pouring out of the Holy Spirit in the Church Age and in the Millennial Kingdom are as follows:
But this is that which was spoken by the prophet Joel; And it shall come to pass in the last days, saith God, I will pour out of my Spirit upon all flesh: and your sons and your daughters shall prophesy, and your young men shall see visions, and your old men shall dream dreams: and on my servants and on my handmaidens I will pour out in those days of my Spirit; and they shall prophesy: And I will shew wonders in heaven above, and signs in the earth beneath; blood, and fire, and vapour of smoke: The sun shall be turned into darkness, and the moon into blood, before the great and notable day of the Lord come: And it shall come to pass, that whosoever shall call on the name of the Lord shall be saved. Acts 2:16-21
And it shall come to pass afterward, that I will pour out my spirit upon all flesh; and your sons and your daughters shall prophesy, your old men shall dream dreams, your young men shall see visions: And also upon the servants and upon the handmaids in those days will I pour out my spirit. And I will shew wonders in the heavens and in the earth, blood, and fire, and pillars of smoke. The sun shall be turned into darkness, and the moon into blood, before the great and terrible day of the LORD come. And it shall come to pass, that whosoever shall call on the name of the LORD shall be delivered: for in mount Zion and in Jerusalem shall be deliverance, as the LORD hath said, and in the remnant whom the LORD shall call. Joel 2:28-32
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