Background and career
Abū Manṣūr Ismāʿīl ibn al-Ḥāfiẓ (Arabic: أبو منصور إسماعيل بن الحافظ, February 1133 – April 1154), better known by his regnal name al-Ẓāfir bi-Amr Allāh (الظافر بأمر الله, lit. 'Victorious by the Command of God') or al-Ẓāfir bi-Aʿdāʾ Allāh (الظافر بأعداء الله, lit. 'Victor over God's Enemies'), was the twelfth Fatimid caliph, reigning in Egypt from 1149 to 1154, and the 22nd imam of the Hafizi Isma'ili branch of Shia Islam.
The vizer and military leader Al-Adil ibn al-Sallar effectively ruled Egypt during his time on the throne. Al-Adil ibn al-Sallar rise to power mark the beginning of the end for the Fatimid state: from al-Zafir on the caliphs were underage children, sidelined and mere puppets at the hands of the strongmen who vied for the vizierate. This power struggle between generals and viziers dominated the last decades of the Fatimid state, until its takeover by Saladin in 1171.

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