Theme may indeed be unifying God’s people under the banner of faith and salvation.
Unification of Jew and Gentile, etc.
1:4; 2:7,10
Spiritual Exodus from the slavery of sin into freedom in Christ - rooted in spiritual resurrection and hope of future resurrection:
4:19-5:2; 6:1-18
Rom 8:11 ,15-18
Romans 8:11 NKJV
But if the Spirit of Him who raised Jesus from the dead dwells in you, He who raised Christ from the dead will also give life to your mortal bodies through His Spirit who dwells in you.
