Muḥammad al-Ḥāfiẓ's disciple Sidi Mawlūd Vāl initiated the 19th-century Fulbe leader Al-Ḥājj Umar Tall (Allaaji Omar Taal) and the Fulbe cleric `Abd al-Karīm an-Nāqil from Futa Jalon (modern Guinea) into the order.