Mu'ayyad fi'l-Din al-Shirazi
| Hibatullah ibn Musa Abu Nasr al-Mu'ayyad fi d-Din ash-Shirazi | |
|---|---|
| Born | 1000 CE / 390 AH |
| Died | 1078 CE / 470 AH |
| Era | Medieval era |
| Region | Islamic philosophy |
| School | Isma'ili |
Al-Mu'ayyad fid-din Abu Nasr Hibat Allah b. Abi 'Imran Musa b. Da'ud ash-Shirazi 390 AH / 1000 CE - 470 AH / 1078 CE) was an 11th-century Isma'ilism scholar, philosopher-poet, preacher and theologian of Persian origin. He served the Fatimid Caliph-Imām al-Mustansir Billah as a Da'i in varying capacities, eventually attaining the highest rank of Bab al-Abwab "The Gate of Gates" and Da‘i al-Du‘at "Chief Missionary" in the Fatimid Da‘wah. In his theological and philosophical writings he brought the Isma'ili spiritual heritage to its pinnacle.
Al-Mu'ayyad was born in Shiraz not later than 387/997 and died in Cairo Shawwal,470 AH/ 1078 AD. He lived during the time of the Fatimid Caliphs Al-Hakim (386-412 AH/ 996-1021 AD), Az-Zahir (412-427 AH/1021-1036 AD) and Al-Mustansir (427-48AH/ 1036-1094AD). He was buried in the Dar al-ilm where he had resided, worked and died.
Al-Muayyad's real name was Hibatullah ibn Musa, born in the town of Shiraz, capital of the Fars Province (then Persia, now in modern-day Iran), in the year 1000 CE. His father, Musa ibn Dawud, served under the Fatimid Caliph-Imam al-Hakim bi Amr Allah as the Chief Missionary of the province of Fars, where the Isma'ili mission was active. Al-Muayyad was "contemporary with the changeover from the Buyid to the Saljuq Sultanate under the Abbasid Caliphate, as well as the Arab bedouin Hilalian invasion of North Africa, the Fatimiid encouraged invasion of Baghdad by al-Basasiri, the Battle of Manzikert in Anatolia, the rise of the Sulayhids of Yaman and the advent of the Armnenian General Badr al-Jamali in Egypt".
During the reign of the Fatimid Caliph-Imam Ali az-Zahir, Hibatullah ibn Musa was permitted to take over the da'wah office from his father. His title, Al-Mu'ayyad fi d-Din "The one aided in religion", was probably accorded to him around this time.
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