wanderer vs traveler

wanderer and traveler both are nouns.

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

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

Other hypernyms of wanderer include traveller.

wanderer (noun)	traveler (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