Inhabitant, occupant (7)
I believe the answer is:
denizen
I believe this is a double definition.
'inhabitant' is the first definition.
(I know that inhabitant can be written as denizen)
'occupant' is the second definition.
(I know that occupant can be written as denizen)
(Other definitions for denizen that I've seen before include "Enid Zen (anag) - inhabitant of a particular place" , "Inhabitant, occupant" , "Dweller" , "Resident" , "Inhabitant (of the deep?)" .)