mime vs role player

mime and role player both are nouns.

Word	Noun	Adjective	Verb	Adverb
mime	Yes	No	Yes	No
role player	Yes	No	No	No

As nouns, role player is a hypernym of mime; that is, role player is a word with a broader meaning than mime:

Other hypernyms of mime include actor, histrion, player, thespian.

mime (noun)	role player (noun)
a performance using gestures and body movements without words	a theatrical performer
an actor who communicates entirely by gesture and facial expression	a person who makes deceitful pretenses

mime (verb)	role player (verb)
act out without words but with gestures and bodily movements only
imitate (a person or manner), especially for satirical effect