Paul helped many non-Jews become believers.

Acts 18:5-8

5 Then Silas and Timothy arrived there from Macedonia province. After they arrived, Paul did not make tents any more. He used all his time preaching the message about Jesus in the Jewish meeting place. He continued to tell the Jews that the Messiah they had been waiting for was Jesus. 6 But the Jews began to oppose Paul and to say evil things about him. So he shook the dust from his clothes to show them that they were displeasing God. Then he said to them, “If God punishes you, it will be your [SYN] own fault [MTY], not mine! From now on I will go and preach to non-Jewish people!” 7 So Paul left the Jewish meeting place and went into a house that was next to it, and preached there. Titius Justus, the owner of the house, was a non-Jewish man who had accepted what the Jews believe. 8 After that, the ruler of the Jewish meeting place, whose name was Crispus, and all of his family [MTY] believed in the Lord Jesus. Many other people in Corinth who listened to Paul also believed in Jesus. Then they were baptized. But there were people who still opposed Paul and his preaching.