migrator vs evacuee

migrator and evacuee both are nouns.

Word	Noun	Adjective	Verb	Adverb
migrator	Yes	No	No	No
evacuee	Yes	No	No	No

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

Other hyponyms of migrator include departer, goer, leaver, emigrant, emigre, emigree, outgoer, immigrant, rusher, colonist, settler.

migrator (noun)	evacuee (noun)
an animal (especially birds and fish) that travels between different habitats at particular times of the year	a person who has been evacuated from a dangerous place
traveler who moves from one region or country to another