a target, a mark, a bullseye / an objective, an object (of doing something)

as far as ... is concerned; in terms of ...

(history) the Minister of the Treasury

administrator, manager

janitor; manager; administrator; custodian

personnel management; labor management

crisis management

historian

study of history

(Internet slang, especially anime and manga fandom) events or things from the past which one wants to whitewash/erase from history (due to it being embarrassing, poorly received, etc.); dark past