The Collaborative International Dictionary of English v.0.48:
Dweller \Dwell"er\, n. An inhabitant; a resident; as, a cave dweller. "Dwellers at Jerusalem." --Acts i. 19. [1913 Webster]WordNet (r) 3.0 (2006):
dweller n 1: a person who inhabits a particular place [syn: inhabitant, habitant, dweller, denizen, indweller]