Luke
Acts 18:7ESV·traditional attribution

And he left there and went to the house of a man named Titius Justus, a worshiper of God. His house was next door to the synagogue.

John Calvin Reformed @genevareformer

7. Departing thence. Paul did not change his lodging which he had with Priscilla and Aquila, because he was weary of their company; but that he might more familiarly insinuate himself and come in favor with the Gentiles. For I suspect that this Justus, of whom Luke maketh mention, was rather a Gentile than a Jew.

Matthew Henry Presbyterian @wholebiblehenry

Here we are told, I. That Paul changed his quarters. Christ directed his disciples, when he sent them forth, not to go from house to house (Luk 10:7), but there might be occasion to do it, as Paul did here. He departed out of the synagogue, being driven out by the perverseness of the unbelieving Jews, and he entered into a certain man's house, named Justus, Act 18:7.

Commenting on Acts 18:7-11

John Gill Reformed Baptist @doctorgill

And he departed thence,..... Not from Corinth, but from the synagogue: and entered into a certain man's house named Justus; he did not return to Aquila and Priscilla, because they were Jews, lest he should be thought not to abide by his words, that he would henceforth go to the Gentiles; wherefore as he came out of the synagogue, he turned into a house adjoining...