official

/əˈfɪʃəl/

noun

An office holder invested with powers and authorities.
"David Barnes was the official charged with the running of the sports club."
A person responsible for applying the rules of a game or sport in a competition.
"In most soccer games there are three officials: the referee and two linesmen."

adjective

Of or pertaining to an office or public trust.
"official duties"
Derived from the proper office or officer, or from the proper authority; made or communicated by virtue of authority
"an official statement or report"
Approved by authority; authorized.
"The Official Strategy Guide"

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