towner vs occupier

towner and occupier both are nouns.

Word	Noun	Adjective	Verb	Adverb
towner	Yes	No	No	No
occupier	Yes	No	No	No

As nouns, occupier is a hypernym of towner; that is, occupier is a word with a broader meaning than towner:

towner: a resident of a town or city
occupier: someone who lives at a particular place for a prolonged period or who was born there

Other hypernyms of towner include occupant, resident.

towner (noun)	occupier (noun)
a resident of a town or city	someone who lives at a particular place for a prolonged period or who was born there
	a member of a military force who is residing in a conquered foreign country