Muslim version of a primordial faith that has been revealed before through many prophets including Abraham, Ishmael, Isaac, Moses, and Jesus; that these previous messages and revelations have been partially changed or corrupted over time ("tahrif") and that the Qur'an is the final unaltered revelation from God (Final Testament). The religious practices of Muslims are enumerated in the Five Pillars of Islam: the declaration of faith ("shahadah"), daily prayers ("salat"), fasting during the month of Ramadan ("sawm"), almsgiving ("zakat"), and the pilgrimage to Mecca ("hajj") at least once in a lifetime. To become a Muslim and to convert to Islam, it
History of slavery in the Muslim world a way of expiating sins. Many early converts to Islam, such as Bilal ibn Rabah al-Habashi, were former slaves. In theory, slavery in Islamic law does not have a racial or color component, although this has not always been the case in practice. In 1990, the Cairo Declaration on Human Rights in Islam declared that "no one has the right to enslave" another human being. Many slaves were often imported from outside the Muslim world. Bernard Lewis maintains that though slaves often suffered on the way before reaching their destination, they received good treatment and some degree of acceptance as