player vs spear carrier

player and spear carrier both are nouns.

Word	Noun	Adjective	Verb	Adverb
player	Yes	No	No	No
spear carrier	Yes	No	No	No

As nouns, spear carrier is a hyponym of player; that is, spear carrier is a word with a more specific, narrower meaning than player:

player (noun)	spear carrier (noun)
a theatrical performer	a minor actor in crowd scenes
a person who participates in or is skilled at some game
someone who plays a music as a profession
a person who pursues a number of different social and sexual partners simultaneously
someone who takes part in an activity