... if they are "already Justified", there is no need for them to repent in order to receive the gift of the Set-apart Spirit..
He is Yahhusa/Jesus preaching repentance to those who already follow HIm:
Revelation 2:4-5, “But I hold this against you, that you have left your first love.“So remember from where you have fallen, and repent and do the first works, or else I shall come to you speedily and remove your lampstand from its place, unless you repent.”