civil servant vs official

civil servant and official both are nouns.

Word	Noun	Adjective	Verb	Adverb
civil servant	Yes	No	No	No
official	Yes	Yes	No	No

As nouns, official is a hypernym of civil servant; that is, official is a word with a broader meaning than civil servant:

Other hypernyms of civil servant include functionary.

civil servant (noun)	official (noun)
a public official who is a member of the civil service	someone who administers the rules of a game or sport
	a worker who holds or is invested with an office

civil servant (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