A reliable, definitive source of information on a subject.
Persons, regarded collectively, who occupy official positions of power; police or law enforcement.
Official permission; authorisation to act in some capacity on behalf of a ruling entity.
A government-owned agency that runs a revenue-generating activity for public benefit.
Status as a trustworthy source of information, reputation for mastery or expertise; or claim to such status or reputation.
Power or right to make or enforce rules or give orders; or a position having such power or right.
A person with extensive knowledge or ability in a given subject.
A player ranking just below master.
Extraordinarily capable or knowledgeable.
Characteristic of an expert.