barnstormer vs role player

barnstormer and role player both are nouns.

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

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

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

barnstormer (noun)	role player (noun)
a pilot who travels around the country giving exhibits of stunt flying and parachuting	a theatrical performer
an actor who travels around the country presenting plays	a person who makes deceitful pretenses