Now he that hath wrought us for the selfsame thing is God, who also hath given unto us the earnest of the Spirit.
Wrought us - framed us by redemption, justification, and sanctification.
For (unto) the self-same thing - namely, unto our mortal part being swallowed up in life (2 Corinthians 5:4).
Who also. So C. But 'Aleph (') B omit "also:" inasmuch as He has given unto us.
Earnest of the Spirit (note, 2 Corinthians 1:22). It is the Spirit (as "the first-fruits") who creates in us the groaning desire for our coming deliverance and glory (Romans 8:23).