 At this point of time, he became the chief court poet and panygerist of Al-Muizz.Defending the claims of the Fatimids against those of the sunni Umayyads and Abbasid usurpers, he continued to eulogize the merits of al-Muizz and other Fatimid Imams, making known their noble aims.He thus rendered a valuable service to Fatimid propaganda through his poetry, which was widely read from Córdoba to Baghdad.