follower vs shadower

follower and shadower both are nouns.

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

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

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

follower (noun)	shadower (noun)
a person who accepts the leadership of another	a spy employed to follow someone and report their movements
someone who travels behind or pursues another