all =
all things, i.e. restrictions of meats, &c.
have. Omit.
made myself servant. enslaved myself. App-190.
gain. Greek. kerdaino. See Acts 27:21.
Related Commentaries of 1 Corinthians 9:19
1 Corinthians 9:19
19 For though I be free from all men, yet have I made myself servant unto all, that I might gain the more.