comic vs jokester

comic and jokester both are nouns.

Word	Noun	Adjective	Verb	Adverb
comic	Yes	Yes	No	No
jokester	Yes	No	No	No

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

comic (noun)	jokester (noun)
a professional performer who tells jokes and performs comical acts	a person who enjoys telling or playing jokes

comic (adjective)	jokester (adjective)
of or relating to or characteristic of comedy
arousing or provoking laughter