Then after fourteen years I went up again to Jerusalem with Barnabas, having taken along Titus also.

and James and Cephas and John, those who were reputed to be pillars, when they understood the grace that was given to me, they gave to me and Barnabas the right hands of fellowship. So that we were for the Gentiles, and they for me

And the other Jews also joined in hypocrisy with him, so that even Barnabas went along with their hypocrisy.