In early Islamic history , after Muhammad 's death , the declaration of Prophethood by anyone was automatically deemed to be proof of apostasy . This view has continued to the modern age in the rejection of the Ahmadiyya sect of Islam as apostates by mainstream Sunni and Shia sects of Islam , because Ahmadis consider Mirza Ghulam Ahmad , founder of Ahmadiyya , as a modern-day Prophet
Ahmadiyya
Persecution of Ahmadis
Apostasy in Islam