outsider, arriviste, invader, rube, sophisticate, interloping, yokel, nemesis, upstart, whippersnapper, nonentity, bedfellow, towner, fop, esthete, gadfly, usurper, weirdo, ignoramus, intruder, iconoclast, bumpkin, flunky, suitor, uppity, flaneur, poseur, dolt, nabob, meddler, swain, ursine, twerp, oaf, denizen, oddity, conniver, parvenu, nincompoop, adversary, leviathan, plutocrat, straggler, hellcat, kinglet, runt, snob, dipsomaniac, pimpernel, overlord, busybody, rascal, eavesdropper, inamorata, suburbanite, nosy parker, aristocrat, harridan, mumbler, boor, appendage, doofus, catbird, earthling, lecher, fleshpot, hegemon, carpetbagger, outlander, buffoon, schlub, grandee, doppelganger, ragamuffins, marauder, snooty, outcast, sleazebag, paterfamilias, exploiter, easterner, letch, blueblood, trespasser, jape, grouch, bully, pursuer, freeloader, solipsist, newcomer, sourpuss, imposter, anteater, fusspot, ingrate, aristocracy, bigwig, chatterer, idyll, guttersnipe, automaton, interlopers, intruders, visitor, assailant, emigrant, tourist, trespassers, visitors, foreigner, intrusion, raider, settler, traveler, assassin, deserter

alien, boarder, crasher, encroacher, gatecrasher, infiltrator, invader, prowler, pusher, sneak, squatter, stranger, thruster, unknown, unwelcome guest

persona non grata, unwelcome person

intruder, trespasser