In the year 880 Yemen was listening to the propaganda of the new sect of the Carmathians (q.v.) or followers of Hamdan Qarmat.
The Arabs who lived more inland were mostly Bedouin who found the obligations of Islam irksome, and do not seem to have made a very vigorous opposition to the Carmathians who took Hajar the capital of Bahrein in 903.
So long as Abu Tahir lived the Carmathians controlled Arabia.
The following years witnessed serious troubles in Syria caused by the Carmathians, which called for the intervention of the caliph, who at last succeeded in defeating these fanatics; the officer Mahommed b.
The land was during this period threatened at once by the Ftimites from the west; the Nubians from the south, and the Carmathians from the east; when the second Ikshidi died in 965, Kfflr at first made a pretence of appointing his young son Abmad as his successor, but deemed it safer to assume the viceroyalty himself, setting an example which in Mameluke times was often followed.