Jamieson, Fausset and Brown on Acts 17:5-9

5-9. the Jews ... moved with envy--seeing their influence undermined by this stranger.

lewd fellows of the baser sort--better, perhaps, "worthless market people," that is, idle loungers about the market-place, of indifferent character.

gathered a company--rather, "having raised a mob."

assaulted the house of Jason--with whom Paul and Silas abode (Ac 17:7), one of Paul's kinsmen, apparently (Ro 16:21), and from his name, which was sometimes used as a Greek form of the word Joshua [Grotius], probably a Hellenistic Jew.

sought to bring them--Jason's lodgers.