Galatians 2:11

He brought him to Jesus. When Jesus looked at him, He said, “You are Simon the son of John; you shall be called Cephas” (which is translated Peter).

But the Lord said to him, “Go, for he is a chosen instrument of Mine, to bear My name before the Gentiles and kings and the sons of Israel;

So then those who were scattered because of the persecution that occurred in connection with Stephen made their way to Phoenicia and Cyprus and Antioch, speaking the word to no one except to Jews alone.

But there were some of them, men of Cyprus and Cyrene, who came to Antioch and began speaking to the Greeks also, proclaiming the good news of the Lord Jesus.

Now the news about them reached the ears of the church at Jerusalem, and they sent Barnabas off to Antioch,

Now in those days, some prophets came down from Jerusalem to Antioch.

Some men came down from Judea and began teaching the brothers, “Unless you are circumcised according to the custom of Moses, you cannot be saved.”

But some of the sect of the Pharisees who had believed stood up, saying, “It is necessary to circumcise them and to command them to keep the Law of Moses.”

Then three years later I went up to Jerusalem to become acquainted with Cephas, and stayed with him fifteen days.

But on the contrary, seeing that I had been entrusted with the gospel to the uncircumcised, just as Peter had been to the circumcised

and recognizing the grace that had been given to me, James and Cephas and John, who were reputed to be pillars, gave to me and Barnabas the right hand of fellowship, so that we might go to the Gentiles and they to the circumcised.

But when I saw that they were not straightforward about the truth of the gospel, I said to Cephas before everyone, “If you, being a Jew, live like the Gentiles and not like the Jews, how is it that you compel the Gentiles to live like Jews?

Paul Opposes Peter (Cephas)