en_tn/gal/02/14.md

their behavior was not following the truth of the gospel

"they were not living according to the truth of the gospel"

how can you force the Gentiles to live like Jews?

This rhetorical question is a rebuke and can be translated as a statement. The word "you" is singular and refers to Peter. Alternate translation: "you are wrong to force the Gentiles to live like Jews." (See: rc://en/ta/man/jit/figs-rquestion and rc://en/ta/man/jit/figs-you)

force

Possible meanings are 1) force by using words or 2) persuade.