humorist vs parodist

humorist and parodist both are nouns.

Word	Noun	Adjective	Verb	Adverb
humorist	Yes	No	No	No
parodist	Yes	No	No	No

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

Other hyponyms of humorist include lampooner, punster, ironist, ridiculer, satirist, card, wag, wit.

humorist (noun)	parodist (noun)
someone who acts, speaks or writes in an amusing way	mimics literary or musical style for comic effect