Ye were bought with a price (timh hgorasqhte). See on Romans 6:20 for this very phrase, here repeated. Both classes (slaves and freemen) were purchased by the blood of Christ. Become not bondservants of men (mh ginesqe douloi anqrwpwn). Present middle imperative of ginomai with negative mh. Literally, stop becoming slaves of men. Paul here clearly defines his opposition to human slavery as an institution which comes out so powerfully in the Epistle to Philemon. Those already free from human slavery should not become enslaved.