Also, if one of the People of the Book lived after the...
Also, if one of the People of the Book lived after the prophetic mission of the Prophet, and at the moment of his death when the truth is being unveiled, he finds out that Jesus was the truth, he will obviously at the same time realize the truthfulness of the prophethood of the . Therefore, the belief of the People of the Book in Jesus will be considered as true, only if they also believe in Muhammad.
(In other words, they will understand that during their life, they were supposed to follow the religion of Muhammad as it is an abrogating religion, whereas the religion of Jesus is an abrogated one).
Therefore, the Prophet who will be accepted truthfully by the People of the Book and who will bear witness against them is the , who is the absolute proof for people living after his prophetic mission, although Jesus had the same position and there is no contradiction in considering one of the two Prophets in this verse.