sojourner vs occupier

sojourner and occupier both are nouns.

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

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

sojourner: a temporary resident
occupier: someone who lives at a particular place for a prolonged period or who was born there

Other hypernyms of sojourner include occupant, resident.

sojourner (noun)	occupier (noun)
a temporary resident	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