1)
What is the meaning of "Shisemo Nedivemo"?
1.
Radak (12-13): Put their Nedivim (officers). Nedivemo explains the pronoun at the end of "Shisemo", like "va'Tir'ehu Es ha'Yeled" (Shemos 2:6). Just like Orev, Ze'ev... fell, make fall those who come now to take Eretz Yisrael.
2)
Who are the people mentioned?
1.
Radak: They were officers of Midyan.
2.
Malbim: Orev and Ze'ev were officers; Zevach and Tzalmuna were kings (Shoftim Perakim 17-18).
3)
Who are "Nesicheimo"?
1.
Radak: Their kings.
