Was the Ethiopian eunuch a proselyte?
Yes, the Ethiopian eunuch was a proselyte. He had traveled to Jerusalem to worship, which indicates he was a Gentile convert to Judaism. The passage also directly calls him a proselyte. This identification is based on Acts chapter 8.
Les teaches that the Ethiopian eunuch was a proselyte because he was returning from Jerusalem where he had been worshiping, indicating he was a Gentile convert to Judaism. Les notes Ethiopia's location down into Africa, around the Mediterranean Sea. He also points out that the eunuch's request for baptism in verse 36 connects to the gospel of the Kingdom, which included repentance and water baptism. Les compares the eunuch's confession with those of Peter and Martha, and then warns that the confession often attributed to the eunuch in verse 37 was not actually his confession, as it is easy to put words into Scripture that aren't there.
And he arose and went: and, behold, a man of Ethiopia, an eunuch of great authority under Candace queen of the Ethiopians, who had the charge of all her treasure, and had come to Jerusalem for to worship,
More Questions
Why did Les think the Ethiopian eunuch was a proselyte?
The Ethiopian eunuch was a proselyte because Acts 8:27 shows him returning from Jerusalem where he had been worshiping.
Why should we not assume the Ethiopian eunuch was an Ethiopian by birth?
The man in Acts 8:27 called 'a man of Ethiopia' should not automatically be thought to be an Ethiopian, because nations commonly used gifted men, especially from Israel.