wanderer
noun
a wanderer in the wilderness:
traveler, rambler, hiker, wayfarer, migrant, globetrotter, roamer, rover;
itinerant, rolling stone;
nomad, gypsy;
tramp, drifter, tinker, vagabond, vagrant;
homeless person, displaced person, person of no fixed address/abode;
informal dosser, bag lady;
North American, informal hobo, bum;
dated bird of passage.