shammer vs role player

shammer and role player both are nouns.

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

As nouns, shammer and role player are synonyms defined as:

Other synonyms of shammer include fake, faker, fraud, imposter, impostor, pretender, pseud, pseudo, sham.

shammer (noun)	role player (noun)
a person who makes deceitful pretenses	a theatrical performer
someone shirking their duty by feigning illness or incapacity	a person who makes deceitful pretenses