Majordomo
(重定向自Major domo)
A majordomo is a person who speaks, makes arrangements, or takes charge for another. Typically, the term refers to the highest (major) person of a household (domūs or domicile) staff, a head servant who acts on behalf of the owner of a large or significant residence. Similar terms include castellan, concierge, chamberlain, seneschal, mayor of the palace, maître d'hôtel, head butler, and steward.