Headhunting is a term used to describe the practice of recruiting personnel for a specific job or position. The term 'headhun' is derived from the practice of headhunting, which was historically used by tribes in some parts of the world to capture and recruit members of other tribes. The crossword solution for the term 'HEAD HUN' is 'ATTILA', referring to ATTILA the Hun, a leader of the Hunnic Empire in the 5th century. ATTILA was known for his aggressive tactics and his ability to recruit large numbers of people to join his army.