homeless person; vagrant; tramp
Refers to a person without a fixed residence, often with a nuance of drifting or being unsettled. Can carry a slightly old-fashioned or literary tone compared to modern terms like ホームレス.
In the Edo period, homeless people wandered the towns.
He drifted from place to place like a vagabond.
無宿者 combines 無宿, the Edo-period designation for a person without a registered domicile, with 者, “person.”