sneerer vs disagreeable person

sneerer and disagreeable person both are nouns.

Word	Noun	Adjective	Verb	Adverb
sneerer	Yes	No	No	No
disagreeable person	Yes	No	No	No

As nouns, disagreeable person is a hypernym of sneerer; that is, disagreeable person is a word with a broader meaning than sneerer:

Other hypernyms of sneerer include unpleasant person.

sneerer (noun)	disagreeable person (noun)
a person who expresses contempt by remarks or facial expression	a person who is not pleasant or agreeable