Possessed of immense wealth, which he had himself acquired in commerce, and held in high esteem as a judge, an interpreter of dreams and a depositary of the traditions of his race, his early accession to Islamism was a fact of great importance.
Abu-Bekr had scarcely assumed his new position (632), under the title Califet-Resul-Allah (successor of the prophet of God), when he was called to suppress the revolt of the tribes Hejaz and Nejd, of which the former rejected Islamism and the latter refused to pay tribute.
The recovery of lost Ottoman territory, the furthering of Pan-Islamism, and the freeing of the empire from all exasperating fetters of European control, were given as additional and important purposes in view.
Great-grandson of Karachar Nevian (minister of Jagatai, son of Jenghiz Khan, and commander-in-chief of his forces), and distinguished among his fellow-clansmen as the first convert to Islamism, Teragai might have assumed the high military rank which fell to him by right of inheritance; but like his father Burkul he preferred a life of retirement and study.
Cheribon has been for many centuries the centre of Islamism in western Java, and is also the seat of a fanatical Mahommedan sect controlled from Mecca.