Mazʽal ibn Jabir (18??

– 1897, styled Muaz us-Sultana) tribal leader of the Bani Kaab and Sheikh of Mohammerah He was the son of Haji Jabir Khan Ibn Merdaw and succeeded him upon his death.

This was confirmed by an Imperial Qajar farman (executive order).

Based on a report issued by the British Foreign Office in 1905 and various other political reports contemporary to the incident the assassination of Shaikh Miz'al bin Jaber was orchestrated by one of Ka'b's chiefs, a cousin of Shaikh Miz'al named Salmān bin Mansūr in 1897.

The report further states that the sole survivor and youngest son of Haj Jaber, Shaikh Khaz'al, succeeded his brother following his demise[1][2].Some other accounts state that he was assassinated by his younger brother, Khazʽal Khan, while others state that he was slain by a palace guard under orders from Khazʽal.