流浪

to drift about / to wander / to roam / nomadic / homeless / unsettled (e.g. population) / vagrant

to flow / to disseminate / to circulate or spread / to move or drift / to degenerate / to banish or send into exile / stream of water or sth resembling one / class, rate or grade

wave / breaker / unrestrained / dissipated / to stroll / to ramble

tramp / wanderer

rover / vagabond / vagrant / wanderer

stray dog

street urchin / waif