jeerer vs mocker

jeerer and mocker both are nouns.

Word	Noun	Adjective	Verb	Adverb
jeerer	Yes	No	No	No
mocker	Yes	No	No	No

As nouns, jeerer and mocker are synonyms defined as:

jeerer and mocker: someone who jeers or mocks or treats something with contempt or calls out in derision

Other synonyms of jeerer include flouter, scoffer.

jeerer (noun)	mocker (noun)
someone who jeers or mocks or treats something with contempt or calls out in derision	long-tailed grey-and-white songbird of the southern United States able to mimic songs of other birds
	someone who jeers or mocks or treats something with contempt or calls out in derision