sheep vs follower

sheep and follower both are nouns.

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

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

sheep: a docile and vulnerable person who would rather follow than make an independent decision
follower: a person who accepts the leadership of another

sheep (noun)	follower (noun)
woolly usually horned ruminant mammal related to the goat	a person who accepts the leadership of another
a docile and vulnerable person who would rather follow than make an independent decision	someone who travels behind or pursues another
a timid defenseless simpleton who is readily preyed upon