Muhammad in Islam of all pagan idols. In later years in Medina, Muhammad unified the different tribes of Arabia under Islam, carried out social and religious reforms. By the time he died in 632, almost all the tribes of the Arabian Peninsula had converted to Islam. The Quran enumerates little about Muhammad's early life or other biographic details, but it talks about his prophetic mission, his moral excellence, and theological issues regarding Muhammad. According to the Quran, Muhammad is the last in a chain of prophets sent by God (). Throughout the Quran, Muhammad is referred to as "Messenger", "Messenger of God", and
Apostasy in Islam to Islam and later rejects the religion is called a "murtad milli". The jurist Imam Ibnul Humam (d. 681 AH) wrote in his book "Fathul Qadir": A person is considered apostate if he or she converts from Islam to another religion. Apostasy can occur even if one does not formally renounce Islam. Those who were forced to denounce Islam under conditions of duress or out of fear of persecution or during war (Taqiyya or Kitman) are not considered apostates. Evidence of apostasy in Islam, according to Reliance of the Traveller, a 14th-century manual of the Shafi'i school of jurisprudence (Fiqh),