Synonyms and related words :
TV-viewer, adventurer, alpinist, astronaut, attestant, attestator, attester, beholder, bird-watcher, bystander, camper, climber, cojuror, comers and goers, commuter, compurgator, cosmopolite, cruiser, deponent, drugstore cowboy, earwitness, excursionist, explorer, eyewitness, fare, gaper, gazer, gazer-on, girl-watcher, globe-girdler, globe-trotter, goer, goggler, hajji, informant, informer, jet set, jet-setter, journeyer, kibitzer, looker, looker-on, mariner, mountaineer, observer, ogler, onlooker, palmer, passenger, passer, pathfinder, perceiver, percipient, pilgrim, pioneer, rubberneck, rubbernecker, sailor, seer, sidewalk superintendent, sightseer, sojourner, spectator, spectatress, spectatrix, straphanger, swearer, televiewer, television-viewer, temporary lodger, testifier, tourer, tourist, trailblazer, trailbreaker, transient, transient guest, traveler, trekker, tripper, viator, video-gazer, viewer, visiting fireman, voortrekker, voucher, voyager, voyageur, watcher, wayfarer, witness, world-traveler