1872, Muhammad Ahmad invited Sheikh Sharif to move to al-Aradayb, an area on the White Nile neighboring Aba Island. Despite initially amicable relations, in 1878 the two religious leaders had a dispute motivated by Sheikh Sharif's resentment of his former student's growing popularity. As a result, Sheikh Sharif expelled his former student from the Samaniyya Order and, despite numerous attempts at reconciliation by Muhammad Ahmad, his mentor refused to make peace.

After recognizing that the split with