Abu Zayd Ibn Rizq Al-Hilali was a 11th century Arab

Arab

Arab people, also known as Arabs , are a panethnicity primarily living in the Arab world, which is located in Western Asia and North Africa. They are identified as such on one or more of genealogical, linguistic, or cultural grounds, with tribal affiliations, and intra-tribal relationships playing...

 leader and hero of the 'Amirid

Banu 'Amir

Banu 'Amir ibn Sa'sa'ah or Banu 'Amir were a large and ancient Arab tribal confederation originating from central and southwestern Arabia that dominated Nejd for centuries after the rise of Islam. The tribe is of North Arabian stock, tracing its lineage to Adnan through Hawazin, and its original...

 tribe of Banu Hilal

Banu Hilal

The Banu Hilal were a confederation of Arabian Bedouin tribes that migrated from Upper Egypt into North Africa in the 11th century, having been sent by the Fatimids to punish the Zirids for abandoning Shiism. Other authors suggest that the tribes left the grasslands on the upper Nile because of...

.

On the orders of the Ismaili

Ismaili

' is a branch of Shia Islam. It is the second largest branch of Shia Islam, after the Twelvers...

 Fatimid

Fatimid

The Fatimid Islamic Caliphate or al-Fāṭimiyyūn was a Berber Shia Muslim caliphate first centered in Tunisia and later in Egypt that ruled over varying areas of the Maghreb, Sudan, Sicily, the Levant, and Hijaz from 5 January 909 to 1171.The caliphate was ruled by the Fatimids, who established the...

 caliph

Caliph

The Caliph is the head of state in a Caliphate, and the title for the ruler of the Islamic Ummah, an Islamic community ruled by the Shari'ah. It is a transcribed version of the Arabic word   which means "successor" or "representative"...

, Abu Zayd moved his tribe to Tunisia

Tunisia

Tunisia , officially the Tunisian RepublicThe long name of Tunisia in other languages used in the country is: , is the northernmost country in Africa. It is a Maghreb country and is bordered by Algeria to the west, Libya to the southeast, and the Mediterranean Sea to the north and east. Its area...

 via Egypt

Egypt

Egypt , officially the Arab Republic of Egypt, Arabic: , is a country mainly in North Africa, with the Sinai Peninsula forming a land bridge in Southwest Asia. Egypt is thus a transcontinental country, and a major power in Africa, the Mediterranean Basin, the Middle East and the Muslim world...

 to punish the Zirid

Zirid

The Zirid dynasty were a Sanhadja Berber dynasty, originating in modern Algeria, initially on behalf of the Fatimids, for about two centuries, until weakened by the Banu Hilal and finally destroyed by the Almohads. Their capital was Kairouan...

s for adopting Sunniism. The Banu Hilali weakened largely the Zirid state and sacked Kairouan

Kairouan

Kairouan , also known as Kirwan or al-Qayrawan , is the capital of the Kairouan Governorate in Tunisia. Referred to as the Islamic Cultural Capital, it is a UNESCO World Heritage site. The city was founded by the Arabs around 670...

. The event was fictionalized in the epic Taghribat Bani Hilal

Taghribat Bani Hilal

Taghribat Bani Hilal is an Arabic epic recounting the Banu Hilal's journey from Najd to Tunisia via Egypt and conquest of the latter. It is built around historical events that took place in the 11th century...

. In the epic it is said that he was murdered by his rival Dhieb bin Ghanim.