official vs scorer

official and scorer both are nouns.

Word	Noun	Adjective	Verb	Adverb
official	Yes	Yes	No	No
scorer	Yes	No	No	No

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

official (noun)	scorer (noun)
someone who administers the rules of a game or sport	a player who makes a score in a game or contest
a worker who holds or is invested with an office	a logger who marks trees to be felled
	an official who records the score during the progress of a game

official (adjective)	scorer (adjective)
having official authority or sanction
of or relating to an office
verified officially
(of a church) given official status as a national or state institution
conforming to set usage, procedure, or discipline