Luke
Acts 18:3ESV·traditional attribution

and because he was of the same trade he stayed with them and worked, for they were tentmakers by trade.

John Calvin Reformed @genevareformer

3. They were of the same trade. This place teacheth that Paul, before he came to Corinth, was wont to work with his hands; and that not upon pleasure, but that he might get his living with his handiwork. It is not known where he first learned his occupation; notwithstanding it appeareth by his own testimony that he wrought principally at Corinth.

Matthew Henry Presbyterian @wholebiblehenry

We do not find that Paul was much persecuted at Athens, nor that he was driven thence by any ill usage, as he was from those places where the Jews had or could make any interest; but this reception at Athens being cold, and little prospect of doing good there, he departed from Athens, leaving the care of those there who believed with Dionysius; and...

Commenting on Acts 18:1-6

John Gill Reformed Baptist @doctorgill

And because he was of the same craft, Art, occupation, or trade: he abode with them; in the same house in which they were: and wrought; with his own hands, to support himself, for he was a stranger in this place; and as yet here was no church to minister to him; and when there was, he would take nothing of them, that the false...