parasite vs follower

parasite and follower both are nouns.

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

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

parasite: 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

parasite (noun)	follower (noun)
an animal or plant that lives in or on a host (another animal or plant); it obtains nourishment from the host without benefiting or killing the host	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