NET
3 explaining and demonstrating that the Christ had to suffer and to rise from the dead, saying, “This Jesus I am proclaiming to you is the Christ.”
Darby
3 opening and laying down that the Christ must have suffered and risen up from among the dead, and that this is the Christ, Jesus whom *I* announce to you.
KJV
3 Opening and alleging, that Christ must needs have suffered, and risen again from the dead; and that this Jesus, whom I preach unto you, is Christ.