Summarize the following text in your own words: Nelson Mandela, one of the celebrated political leaders and the first black president of South Africa, struggled throughout his life for establishing a multi-racial democracy in South Africa. For this he had to suffer imprisonment for nearly three decades. But he never lost his resolve to fight against apartheid for his people's emancipation. His anti-racial movement gained immense support of the world people for his prestige and charisma. And, at last he succeeded in bringing people's emancipation from the shackles of apartheid. For his playing a prominent role on the world stage as an advocate of humanity, he was awarded the Nobel Peace Prize. He was also elected president of South Africa. As this great man struggled throughout his life for establishing an ideal, the ideal of a democratic and free society, all his doings have made him an icon of peace and reconciliation for the peace loving people all over the world.