court officer (Imperial Household Department)
Refers to an official serving in the Imperial Household Agency (宮内庁). A formal, domain-specific term.
彼は宮内官として皇室の儀式を担当している。
He serves as a court officer and is in charge of imperial ceremonies.
Compound of 宮内 (kunai, 'within the palace') and 官 (kan, 'official'). The term is directly associated with the Imperial Household Agency.