occupant vs inhabitant

occupant and inhabitant both are nouns.

Word	Noun	Adjective	Verb	Adverb
occupant	Yes	No	No	No
inhabitant	Yes	No	No	No

As nouns, inhabitant is a hypernym of occupant; that is, inhabitant is a word with a broader meaning than occupant:

occupant: someone who lives at a particular place for a prolonged period or who was born there
inhabitant: a person who inhabits a particular place

Other hypernyms of occupant include denizen, dweller, habitant, indweller.

occupant (noun)	inhabitant (noun)
someone who lives at a particular place for a prolonged period or who was born there	a person who inhabits a particular place