We ourselves; either all, or as many of us as shall be thought necessary, leaving only so many as may be necessary to provide for the sustenance and defence of our wives and children here. See Joshua 4:12,13. The inhabitants of the land; the Moabites and Edomites, or other bordering people.
Related Commentaries of Numbers 32:17
Numbers 32:17
17 But we ourselves will go ready armed before the children of Israel, until we have brought them unto their place: and our little ones shall dwell in the fenced cities because of the inhabitants of the land.