1)
What is the meaning of "Niv'aro ha'Ro'im"?
1.
Radak, Targum Yonasan: Kings are called shepherds. Yehoyachin and Tzidkiyah, who were the kings, were foolish. Therefore, there is no one to pitch the tent again.
2)
What is the meaning of "Lo Hiskilu"?
1.
Rashi: They did not succeed in their kingship. This is like "Es Kol Asher Yifneh Yaskil" (Mishlei 17:8). Radak - and "va'Yhi David b'Chol Derachav Maskil" (Shmuel I, 18:14) and similar verses.
2.
Radak: Because Yehoyachin and Tzidkiyah did not seek Hashem like Yoshiyah did, they did not succeed like he succeeded.
3)
What is "Mar'isam"?
1.
Rashi: The flock that they tended. Radak - they were scattered, in exile.
