(n.) One who gets a living by picking up rags and refuse things in the streets.

Arab beach bum beachcomber beggar bo bum bummer dogie gamin gamine guttersnipe hobo homeless waif idler landloper lazzarone loafer losel mudlark piker ragamuffin ragman rounder ski bum stiff stray street Arab street urchin sundowner surf bum swagman swagsman tatterdemalion tennis bum tramp turnpiker urchin vag vagabond vagrant waif waifs and strays wastrel