Bohemian, Gipsy, Gypsy, Roma, Romany, Rommany - a member of a nomadic people originating in northern India and now living on all continents

laborer, labourer, manual laborer, jack - someone who works with their hands; someone engaged in manual labor

swagger, swaggie, swagman - an itinerant Australian laborer who carries his personal belongings in a bundle as he travels around in search of work

tinker - an itinerant Gypsy

unsettled - not settled or established; "an unsettled lifestyle"

moving - in motion; "a constantly moving crowd"; "the moving parts of the machine"