1) Denizen 2) Dweller 3) Indweller 4) Inhabitant 5) Member of an invasion force 6) Occupant 7) One inhabiting a house 8) Person living in a house 9) Resident Found on https://www.crosswordclues.com/clue/occupier
Oc'cu·pi`er noun 1. One who occupies, or has possession. 2. One who follows an employment; hence, a tradesman. [ Obsolete] 'Merchants and occupiers .' Holland. « The occupiers of thy merchandise.» Ezek. xxvii. 27. Found on http://www.encyclo.co.uk/webster/O/8