See in Reader
995 B
should proclaim
This is describing something that has not happened and should not happen. AT: "would proclaim" or "were to proclaim" (See: rc://en/ta/man/translate/figs-hypo)
other than the one
"different from the gospel" or "different from the message"
let him be cursed
"God should punish that person forever." If your language has a common way of calling a curse down on someone, you should use that.
For am I now seeking the approval of men or God? Am I seeking to please men?
These rhetorical questions expect the answer "no." AT: "I do not seek the approval of men, but instead I seek the approval of God. I am not seeking to please men." (See: rc://en/ta/man/translate/figs-rquestion)
If I am still trying to please men, I am not a servant of Christ
Both the "if" phrase and the "then" phrase are contrary to fact. "I am not still trying to please men; I am a servant of Christ" or "If I were still trying to please men, then I would not be a servant of Christ"