1)
What do we learn from "l'Eleh Machlekos ha'Sho'arim"?
1.
Malbim: These were appointed over the 4,000 gatekeepers.
2)
Who are "Roshei ha'Gevarim"?
1.
Malbim: They are the 24 men mentioned.
3)
Who are "Acheihem"?
1.
'Rashi': The heads of the 24 Mishmaros.
2.
Malbim: The other Leviyim, who were divided into 24 Mishmaros, which serve for one week at a time.
