administrator
noun
°One who administers affairs; one who directs, manages, executes, or dispenses, whether in civil, judicial, political, or ecclesiastical affairs; a manager.
°A person who manages or settles the estate of an intestate, or of a testator when there is no competent executor; one to whom the right of administration has been committed by competent authority.
synonyms: chief, head, head man, controller more» , comptroller, foreman, organizer, overseer, superintendent, supervisor