'Of the Circumcision' in the Bible

but, on the contrary, seeing that I had been entrusted with the Gospel of the uncircumcision, as Peter was with that of the circumcision;

(for He Who wrought for Peter with regard to an apostleship of the circumcision, wrought for me also with regard to the gentiles).

for, before certain ones came from James, he was eating with the gentiles; but, when they came, he was withdrawing and separating himself, fearing those of the circumcision.