follower vs pursuer

follower and pursuer both are nouns.

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

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

Other hyponyms of follower include chaser, shadow, shadow, shadower, tail.

follower (noun)	pursuer (noun)
a person who accepts the leadership of another	a person who is pursuing and trying to overtake or capture
someone who travels behind or pursues another	a person who pursues some plan or goal