Albert Barnes Commentary Judges 17:8

"And the man departed out of the city, out of Beth-lehem-judah, to sojourn where he could find [a place], and he came to the hill-country of Ephraim to the house of Micah, as he journeyed." — Judges 17:8 (ASV)

Jonathan’s state without a home gives us a vivid picture of what must have been the condition of many Levites.