1)
Who is "Kulam"?
1.
Rashi: All the Nochrim. Malbim - this includes Sanvalat.
2.
Ibn Ezra: This is like Kulchem (all of you). The same applies to "Kulam Tashuvu u'Vo'u Na."
2)
What is the meaning of "Meyar'im Osanu"?
1.
Rashi: Misyar'im Mimenu (they fear us).
2.
Ibn Ezra, Malbim: They scare us, so we will slacken from building the wall.
3)
Why did he say "v'Atah Chazek Es Yadi"?
1.
Rashi: Now, you want to help me to build the wall?! Malbim #1 - did you suddenly reverse from an enemy to a lover?!
2.
Ibn Ezra: He appeased Sanvalat, and asked him to help him.
3.
Malbim #2: Please strengthen me with consoling words, and do not scare me more!
