1)
Who are "ha'Hagri'im"?
1.
'Rashi': They were Yishmaelim. They are called ha'Hagri'im based on their mother Hagar. Radak - the Aleph is in place of the Yud of Yachas (from Hagar).
2.
Malbim (19): They are brothers of Bnei Hagar 1 .
1
I.e. Bnei Keturah, like the opinion (Rashi Bereishis 25:1, from Bereishis Rabah 61:4) that Keturah is Hagar. (PF)
2)
What is the significance of "va'Yeshevu b'Ohaleihem"?


