WordNet sense 1 (a laborer who moves from place to place as demanded by employment):

itinerant, Gipsy

WordNet sense 2 (a member of a people with dark skin and hair who speak Romany and who traditionally live by seasonal work and fortunetelling; they are believed to have originated in northern India but now are living on all continents (but mostly in Europe, North Africa, and North America)):

bohemian, Roma, Romani, Romany, Rommany