One of the scholars assigned by Sheikh Usman Bin Fodiyo was Malam Umaru Dallaji, who was assigned to Katsina. Katsina was an important region in the Sokoto Caliphate, and Malam Umaru Dallaji played a key role in spreading Islamic teachings and implementing reforms in the area. Another scholar, Malam Sulaimanu, was assigned to Kano, a region known for its rich Islamic heritage. Malam Sulaimanu worked tirelessly to spread the teachings of Islam and implement reforms in Kano.