Khagan
Khagan or Qaghan (Kazakh: Қаған/Qağan, Middle Mongol:ᠬᠠᠭᠠᠨ; Khaan or Khagan; Old Turkic: 𐰴𐰍𐰣 Qaɣan) is a title of imperial rank in Turkic, Mongolic, and some other languages, equal to the status of emperor and someone who rules a khaganate (empire). The female equivalent is Khatun.