The Spirit of God and the Spirit of Christ is used interchangeably here. Does it concern you that Gods Word says you are not a Christian if you don’t allow the Spirit of Christ to reside in you?
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42 Look! My servant, whom I support! My chosen one, whom I have approved!
I have put my spirit in him; He will bring justice to the nations.]
[61 The spirit of the Sovereign Lord Jehovah is upon me, Because Jehovah anointed me to declare good news to the meek. He sent me to bind up the brokenhearted, To proclaim liberty to the captives And the wide opening of the eyes to the prisoners,]
[37 You know the subject that was talked about throughout all Ju·deʹa, starting from Galʹi·lee after the baptism that John preached: 38 about Jesus who was from Nazʹa·reth, how God anointed him with holy spirit and power, and he went through the land doing good and healing all those oppressed by the Devil, because God was with him.]
[16 After being baptized, Jesus immediately came up from the water; and look! the heavens were opened up, and he saw God’s spirit descending like a dove and coming upon him.]