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 Tuvalu of chief minister, which was created in 1975. If the prime minister dies, as has happened on one occasion, the deputy prime minister becomes acting prime minister until a new one is elected by parliament. The prime minister can lose his office by resigning, being defeated in a no confidence vote by parliament, or losing his seat in a parliamentary election. Several former prime ministers have been appointed the Governor-General of Tuvalu. Prime Minister of Tuvalu The Prime Minister of Tuvalu is the head of government of Tuvalu. According to Tuvalu's constitution, the prime minister must always be a member