1. The real party in interest in whose name a state or an attorney general brings a lawsuit. See EX REL. [Cases: Attorney General
9. C.J.S. Attorney General §§ 11, 15.]
2. The applicant for a writ, esp. a writ of mandamus, prohibition, or quo warranto. [Cases: Mandamus 144; Prohibition 19; Quo Warranto 30. C.J.S. Mandamus §§ 278, 280, 287–288; Prohibition§§ 10, 33; Quo Warranto§ 57.]
3. A person who furnishes information on which a civil or criminal case is based; an informer.