drifter vs wanderer

drifter and wanderer both are nouns.

Word	Noun	Adjective	Verb	Adverb
drifter	Yes	No	No	No
wanderer	Yes	No	No	No

As nouns, wanderer is a hypernym of drifter; that is, wanderer is a word with a broader meaning than drifter:

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

Other hypernyms of drifter include have-not, poor person, bird of passage, roamer, rover.

drifter (noun)	wanderer (noun)
a wanderer who has no established residence or visible means of support	a computer program that prowls the internet looking for publicly accessible resources that can be added to a database; the database can then be searched with a search engine
	someone who leads a wandering unsettled life