Babrak Karmal befriended fellow inmate Mir Akbar Khyber, who introduced Karmal to Marxism. Karmal changed his name from Sultan Hussein to Babrak Karmal, which means "Comrade of the Workers'" in Pashtun, to disassociate himself from his bourgeois background. When he was released from prison, he continued his activities in the student union, and began to promote Marxism. Karmal spent the rest of the 1950s and the early 1960s becoming involved with Marxist organizations, of which there were at least four in Afghanistan at the time; two of the four were established by Karmal. When the 1964 Afghan Provisional Constitution, which legalised the
Prime Minister of Saudi Arabia 1960, allowing Saud to reclaim the reins of government, but continued discontent saw Faisal return as prime minister in 1962. After the deposition of Saud in 1964, Faisal succeeded him as king, while remaining prime minister. Since then the two offices have been merged. However, since the reign of King Khalid, others have done much of the "heavy lifting" as the king was either unwilling or unable to carry the workload, especially as the kingdom became a gerontocracy during the 1990s and 2000s. Royal Favorites achieved power to become "de facto" prime ministers. The current one is the King's son