official vs dispatcher

official and dispatcher both are nouns.

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

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

Other hyponyms of official include football official, linesman, ref, referee, scorekeeper, scorer, starter, timekeeper, timer, ump, umpire.

official (noun)	dispatcher (noun)
someone who administers the rules of a game or sport	the official who signals the beginning of a race or competition
a worker who holds or is invested with an office	employee of a transportation company who controls the departures of vehicles according to weather conditions and in the interest of efficient service

official (adjective)	dispatcher (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