John Chrysostom

Observe how, when he discourses to those that are without, he does not decline availing himself of the aids afforded by the laws. Here he awes the tribune by the name of his city. And again, elsewhere he said, "Openly, uncondemned, Romans as we are, they have cast us into prison." For since the tribune said, "Art thou that Egyptian?" he immediately drew him off from that surmise: then, that he may not be thought to deny his nation, he says at once, "I am a Jew:" he means his religion. What then? …

Homily on Acts 47 ↗

Theophylact of Ohrid

We, Christians, are the true Jews, as those who profess the true faith, because the name "Judah" means "confession." Since the commander asked whether he was that Egyptian, Paul first of all deflects him from this suspicion. And so that he would not think that he was a Jew by origin, he then declares his faith. So what then? Did he deny it? By no means! He was both a Jew and a Christian. …

Commentary on Acts ↗

Bede

A townsman from Tarsus in Cilicia, a not unknown city. The Apostle was indeed born in the town of Giscala in Galilee. When it was captured by the Romans, he moved with his parents to Tarsus in Cilicia. From there, sent to Jerusalem for the study of the law, he was instructed by Gamaliel, a very learned man, as he himself recounts later. However, he calls himself not a citizen but a townsman, from the township, that is, the territory, of the same city in which he was raised. …

Commentary on Acts ↗