disparager vs muckraker

disparager and muckraker both are nouns.

Word	Noun	Adjective	Verb	Adverb
disparager	Yes	No	No	No
muckraker	Yes	No	No	No

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

disparager: one who disparages or belittles the worth of something
muckraker: one who spreads real or alleged scandal about another (usually for political advantage)

Other hyponyms of disparager include backbiter, defamer, libeler, maligner, slanderer, traducer, vilifier, hatemonger, mudslinger.

disparager (noun)	muckraker (noun)
one who disparages or belittles the worth of something	one who spreads real or alleged scandal about another (usually for political advantage)