FTP name this 11th and 12th century Muslim people eventually driven out of Spain by Castile and succeeded in North Africa by the Almohads.
They arose from the Lambunah, Gudalah, and Massafah Berber tribes from the Sahara who responded to the doctrinal teachings of Abd'Allah Ibn Yasin, drawing their name from the island fortress to which Ibn Yasin had retreated in religious ecstasy. Under leaders like Abu Bakr al-Lamtuni, Yosuf Ibn Tashufin, and Ali Ibn Yosuf they threw back the onslaughts of the Castillians and ruled an empire which included all of Muslim Spain and North Africa up to Algeria, which they ruled from their capital at Marrakech. FTP name this 11th and 12th century Muslim people eventually driven out of Spain by Castile and succeeded in North Africa by the Almohads.
They arose from the Lambunah, Gudalah, and Massafah Berber tribes from the Sahara who responded to the doctrinal teachings of Abd'Allah Ibn Yasin, drawing their name from the island fortress to which Ibn Yasin had retreated in religious ecstasy.
Almoravids