[1]
The words in the original are: Salam-un ala El-ya-sin. Some commentators say that El-ya-sin is the other name of the Prophet Elias, just as Abraham is the other name of the Prophet Ibrahim; some others say that different versions of the Hebrew names were prevalent among the Arabs, e.g. one and the same angel was called Michal and Michail and Michain. The same has been the case with the name of the Prophet Elias also. In the Quran itself the same mountain has been called Toor Sina and Toor Sinin. 1
[2]
A grammatical shift from 3rd person to 2nd person.