He first gained notice by organizing the Ikhwan, or Brethren, a fanatically religious group that provided him with an elite army corps.  However, after he consolidated his power in the 1920s, the Ikhwan began attacking British allies against his wishes, obliging him to destroy the group at the Battle of Sibilla.  An exile in Kuwait from his early infancy, in 1902 he seized his ancestral castle and for the next two decades fought against ibn Rashid on behalf of the Wahabi
He first gained notice by organizing the Ikhwan, or Brethren, a fanatically religious group that provided him with an elite army corps.  However, after he consolidated his power in the 1920s, the Ikhwan began attacking British allies against his wishes, obliging him to destroy the group at the Battle of Sibilla.  An exile in Kuwait from his early infancy, in 1902 he seized his ancestral castle and for the next two decades fought against ibn Rashid on behalf of the Wahabi.  FTP, name the man who in 1932 became the first ruler of the Kingdom of Saudi Arabia.
He first gained notice by organizing the Ikhwan, or Brethren, a fanatically religious group that provided him with an elite army corps.  
Ibn Sa'ud ('abd Al-'aziz Ibn  'abd Ar-rahman Ibn Faysal Ibn Turki 'abd Allah Ibn Muhammad al Sa'ud)