Imperial Preceptor
The Imperial Preceptor, or Dishi (simplified Chinese: 帝师; traditional Chinese: 帝師; pinyin: Dìshī; lit. 'Teacher of the Emperor'; Middle Mongolian: guê šhi or gue šhi; Tibetan: གོང་མའི་སློབ་དཔོན, Wylie: gong mavi slob dpon), was a high title and powerful post in the Yuan dynasty.