follower vs traveler

follower and traveler both are nouns.

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

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

Other hypernyms of follower include traveller.

follower (noun)	traveler (noun)
a person who accepts the leadership of another	a person who changes location
someone who travels behind or pursues another