14. That is, he cannot be a Messenger of Allah because he is a human being like us. Had Allah willed to send a Messenger, He would have sent an angel, and if at all a human being was to be sent, he should have been a king or a millionaire, who would have resided in a castle and been guarded by attendants. A Messenger could not be an ordinary person who has to move about in the market places like the common people, for it is obvious that such a human Messenger cannot attract the attention of the people. In other words, they thought that a Messenger was not meant to guide the people to the right path but to coerce them to obedience by show of worldly power and grandeur. For details, see (E.N. 26 of Surah Al-Mominoon).
15. That is, if a human being was to be sent as a Messenger, an angel should have been appointed to accompany him to proclaim: If you do not believe in him, I will scourge you. But what kind of a Messenger is he, who has to suffer from abuse and persecution?