record-keeper vs official

record-keeper and official both are nouns.

Word	Noun	Adjective	Verb	Adverb
record-keeper	Yes	No	No	No
official	Yes	Yes	No	No

As nouns, official is a hypernym of record-keeper; that is, official is a word with a broader meaning than record-keeper:

Other hypernyms of record-keeper include functionary.

record-keeper (noun)	official (noun)
someone responsible for keeping records	someone who administers the rules of a game or sport
	a worker who holds or is invested with an office

record-keeper (adjective)	official (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