Vivandier, a term that originated in French, refers to a person who sells food and drink to soldiers or military personnel. There are several synonyms for the word Vivandier, such as Military Canteen Attendant, Mess Sergeant, Commissary, and Sutler. Military Canteen Attendant is a person who works at a military canteen or store, selling food and drink to soldiers. Mess Sergeant is an enlisted soldier responsible for feeding soldiers in barracks or on the field. The Commissary is a person or store that provides provisions and supplies to the military, while a Sutler is a civilian merchant who sells provisions and supplies to soldiers in the field.