1)
Who is "She'ar ha'Am"?
1.
Malbim: It is those who did not sign.
2)
Who is "Kol ha'Nivdal"?
1.
Rashi, from Kidushin 70a: They are converts, who separated from the Tum'ah of Nochrim to cling to Hashem's Torah and guard His Mitzvos.
2.
Ibn Ezra (Ezra 6:21): They are Yisraelim who separated from the Tum'ah of Nochrim.
3)
What do we learn from "Kol Yode'a Mevin"?
1.
Malbim: Also women, who do not know, and those who understand - all are "Machazikim" (30).
