burglar, prowler, assailant, thief, mugger, trespasser, attacker, robber, gunman, burglary, shoplifter, burglar alarm, peeping tom, crowbar, invader, housebreaker, stalker, peeper, raccoon, rapist, cat burglar, suspect, kidnapper, ski mask, jemmy, escapee, knifepoint, mountain lion, carjacking, deadbolt, gunshot, dognapper, hacker, flasher, butcher knife, stabbing, stun gun, vandal, taser, passerby, doorbell, window pane, accomplice, alligator, abductor, armed robbery, robbery, gator, fox, acquaintance, machete, handgun, alarm, molotov cocktail, captor, interloper, perpetrator, coyote, bathroom, man, assaulter, homeowner, tiger rattlesnake, sleepwalker, steak knife, escaper, poltergeist, knife, bb gun, woman, caller, raiders, victim, maced, neighbor, attic, doorway, apartment, householder, screwdriver, pepper spray, police, boyfriend, bystander, residence, outbuilding, parolee, gunpoint, squirrel, snatcher, bedroom, perp, rattlesnake, claw hammer, eavesdropper, imposter, eyehole, bolt cutter, girlfriend, partygoer, sneak thief, pry bar, intruders, visitor, interlopers, intrusion, trespassers, assailants, newcomer, aggressor, attackers, incursion, passenger, visitors, callers, raider, guest, abnormal, cycling, intersexual, model, multiaxial, oscillatory, psychophysiological, quasistatic, simulated, stimulation, triaxial, vivo, anaphylactic, arousal, ballistic, baseline, biaxial, chaotic, constrained, control

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

infiltrator, penetrator, set gun, spring gun

persona non grata, unwelcome person

interloper, trespasser