Acts 8:24-28

But Simon answered and said, “Pray to the Lord for me yourselves, so that nothing of what you have said may come upon me.” An Ethiopian Receives Christ

So, when they had solemnly testified and spoken the word of the Lord, they started back to Jerusalem, and were preaching the gospel to many villages of the Samaritans.

But an angel of the Lord spoke to Philip, saying, “Get ready and go south to the road that descends from Jerusalem to Gaza.” (This is a desert road.)

So he got ready and went; and there was an Ethiopian eunuch, a court official of Candace, queen of the Ethiopians, who was in charge of all her treasure; and he had come to Jerusalem to worship,

and he was returning and sitting in his chariot, and was reading Isaiah the prophet.