wanderer vs traveller

wanderer and traveller both are nouns.

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

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

Other hypernyms of wanderer include traveler.

wanderer (noun)	traveller (noun)
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	a person who changes location
someone who leads a wandering unsettled life