Major-domo

The head servant in a prince's palace or a wealthy person's mansion.

"The truth was that, in a world of shifting allegiances--and since the death of his grandmother's faithful major-domo--she was the only person he could trust, and, at the same time, use. Only she knew the hay-loft where the Hebrew scholar Dr. Kraus--and his Talmuds--was in hiding: she would risk her life to fetch him food. Only she had the key to the cellar where, throughout the War, the porcelains were stored."

Bruce Chatwin, Utz (1988).