The administrative service of a government is called: civil service. The chinese practice of inserting fine needles through the skin to treat pain is called : acupuncture. A farmer who works land owned by someone else is called a : tenant farmer. The belief that the Chinese king's right to rule came from the gods is called : Mandate of Heaven . Having title or possession by reason of birth is called: hereditary. A symbol in a writing system that represents a thing or an idea : ideograph . Something, such as coins or paper money, that is used as a medium of exchange is called : currency. A person that someone is descended from is called : ancestor. A military commander exercising civil power by force, usually in a limited area is called : warlord. A member of an upper class of society, usually made up of hereditary nobility is called : aristocrat . An official who watches others for correct behavior is called : censor. A symbol in a writing system based on pictures is called : pictograph