resident vs sojourner

resident and sojourner both are nouns.

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

As nouns, sojourner is a hyponym of resident; that is, sojourner is a word with a more specific, narrower meaning than resident:

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

resident (noun)	sojourner (noun)
someone who lives at a particular place for a prolonged period or who was born there	a temporary resident
a physician (especially an intern) who lives in a hospital and cares for hospitalized patients under the supervision of the medical staff of the hospital

resident (adjective)	sojourner (adjective)
living in a particular place
used of animals that do not migrate