Bede : The tribune also feared, after he discovered that he was a Roman citizen. For citizen, the same word in Greek is placed, which above was for inhabitant, that is, πολίτης. — Retractions on Acts Oecumenius : But later he was bound in Jerusalem according to the prophecy. What then follows from this? Having loosened him, he led him before the Jews. Therefore it was not a falsehood. For the tribune feared, he says, having recognized that he is a Roman, that is, of the class of officials. — Commentary on Acts