'Expert' in the Bible

And after five days, the high priest, Ananias, came with certain of the rulers, and an expert talker, one Tertullus; and they made a statement to Felix against Paul.

The more so, because you are expert in all questions to do with the Jews and their ways: so I make my request to you to give me a hearing to the end.

And the voice of players and makers of music will never again be sounding in you: and no worker, expert in art, will ever again be living in you; and there will be no sound of the crushing of grain any more at all in you;