So Paul left the synagogue and went next door to the house of Titus Justus, a worshiper of God.
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.
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
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...