leech vs follower

leech and follower both are nouns.

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

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

leech: a follower who hangs around a host (without benefit to the host) in hope of gain or advantage
follower: a person who accepts the leadership of another

leech (noun)	follower (noun)
carnivorous or bloodsucking aquatic or terrestrial worms typically having a sucker at each end	a person who accepts the leadership of another
a follower who hangs around a host (without benefit to the host) in hope of gain or advantage	someone who travels behind or pursues another

leech (verb)	follower (verb)
draw blood