This applied even to a prophet if he failed to carry the message to the people to whom he was sent. God did not accept even the ‘fast and worship’ from a prophet who left his people in the grip of polytheism
two, to proclaim God’s message to people throughout the world (5:67). With the end of the prophethood, the people of Muhammad must now act in his stead, having been selected by God (22:77) to carry His
life of belief and, two, to testify to God’s truth among mankind. According to the Quran, the followers of the Prophet are duty-bound to call people to the path of God, just as the Prophet was so bound. (10:108)