1)
What is the meaning of "Lema'an Sachur Hu"?
1.
Rashi: He was hired to say these things to me.
2.
Ibn Ezra: He was hired to say the Nevu'ah.
3.
Malbim: They will say that Nechemyah hired Shemayah to prophesize that Nechemyah will be king.
2)
Why did they want him to fear?
1.
Rashi: In order that I will enter the Heichal, and sin. Malbim - also, then they can revile me for profaning Mikdash Hashem.
3)
What is the meaning of "v'Hayah Lahem l'Shem Ra Yecharfeni"?
1.
Rashi: They should be able to disgrace me for this Aveirah.
2.
Ibn Ezra: I would have Shem Ra for closing the doors. They would revile me for fearing them and hiding.


