Chargé d'affaires
A chargé d'affaires (French pronunciation: [ʃaʁʒe dafɛʁ] ), plural chargés d'affaires, often shortened to chargé (French) and sometimes in colloquial English to charge-D, is a diplomat who serves as an embassy's chief of mission in the absence of the ambassador. The term is French for "person charged with business", meaning they are responsible for the duties of an ambassador.