vagrant vs bird of passage

vagrant and bird of passage both are nouns.

Word	Noun	Adjective	Verb	Adverb
vagrant	Yes	Yes	No	No
bird of passage	Yes	No	No	No

As nouns, bird of passage is a hypernym of vagrant; that is, bird of passage is a word with a broader meaning than vagrant:

vagrant: a wanderer who has no established residence or visible means of support
bird of passage: someone who leads a wandering unsettled life

Other hypernyms of vagrant include have-not, poor person, roamer, rover, wanderer.

vagrant (noun)	bird of passage (noun)
a wanderer who has no established residence or visible means of support	any bird that migrates seasonally
	someone who leads a wandering unsettled life

vagrant (adjective)	bird of passage (adjective)
continually changing especially as from one abode or occupation to another