Muhammad in Islam of his wife Aisha. Muhammad is regarded as the final messenger and prophet by all the main branches of Islam who was sent by God to guide humanity to the right way (Quran ). The Quran uses the designation "Khatam an-Nabiyyin" () which is translated as "Seal of the Prophets". The title is generally regarded by Muslims as meaning that Muhammad is the last in the series of prophets beginning with Adam. The belief that a new prophet cannot arise after Muhammad is shared by both Sunni and Shi'i Muslims. Believing Muhammad is the last prophet is a fundamental belief
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),