detractor vs mudslinger

detractor and mudslinger both are nouns.

Word	Noun	Adjective	Verb	Adverb
detractor	Yes	No	No	No
mudslinger	Yes	No	No	No

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

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

Other hyponyms of detractor include backbiter, defamer, libeler, maligner, slanderer, traducer, vilifier, hatemonger, muckraker.

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