Source : Webster's Revised Unabridged Dictionary (1913)

Indweller \In"dwell`er\n.
   An inhabitant. --Spenser.

Source : WordNet®

indweller
     n 1: activation by an inner spirit or force or principle; "the
          Holy Spirit is the indweller of the church and its
          members"
     2: a person who inhabits a particular place [syn: {inhabitant},
         {dweller}, {denizen}]