A vagrant is someone who moves a lot from place to place because they have no permanent home or job, and have to ask for or steal things in order to live. He lived on the street as a vagrant. = tramp. someone who has no home or work, especially someone who begs = tramp (Probably from , present participle of wacrer )
continually changing especially as from one abode or occupation to another; "a drifting double-dealer"; "the floating population"; "vagrant hippies of the sixties"