This means that he was living among the family of Judah, that is, the tribe of Judah. AT: "who was living among the tribe of Judah" (See: [[rc://en/ta/man/translate/figs-explicit]])
It is implied that he is looking for a place to live and work. AT: "where I might live and have a job" (See: [[rc://en/ta/man/translate/figs-explicit]])