"Saul" as his Jewish name, and "Paul" was his Roman name. Since he was speaking to a Roman official, he used his Roman name. AT: "Saul, who now called himself Paul" (See: [[rc://en/ta/man/translate/figs-activepassive]])
Paul is saying the man is acting like the devil. AT: "You are like the devil" or "You act like the devil" (See: [[rc://en/ta/man/translate/figs-metonymy]])
# you are full of all kinds of deceit and wickedness
Paul uses this question to rebuke Elymas for opposing God. AT: "You are always saying that the truth about the Lord God is false!" (See: [[rc://en/ta/man/translate/figs-rquestion]])