Al-Qāhir ibn al-Muhtadī bi-Quwwat Allāh or Ḥasan al-Qāhir was the 22nd Imam of the Shia Nizari Ismailis. He is believed to have lived in occultation in the Nizari Ismaili state centrered around Alamut Castle. He is believed to have been represented externally by Kiya Buzurg-Ummid, and later on by Muhammad ibn Buzurg-Ummid.
- Occupation
- imam
- Position held
- Q124051185
- Citizenship
- Nizari Ismaili state
- Born
- 1126
- Died
- 1162
