1)
How can it be that angel did not know Yaakov's name?
1.
Moshav Zekenim: He meant, what use do you have for this name
1
of reproach? It is an expression of deceit!
2
1
Moshav Zekenim: Yaakov thought that he simply asks his name, so he told him.
2
However, the Torah still uses the name Yaakov many times! (PF)