“You shall not see your brother’s ox or his sheep going astray and ignore them. You shall take them back to your brother.
The kindness that was commanded to be shown in reference to an enemy (Exo 23:4, etc.) is here required to be much more done for a neighbour, though he were not an Israelite, for the law is consonant to natural equity. 1. That strayed cattle should be brought back, either to the owner or to the pasture out of which they had gone astray, Deu 22:1, Deu 22:2.
Commenting on Deuteronomy 22:1-4
Thou shall not see thy brother's ox or his sheep go astray,.... Or "driven away" (r); frightened and starved away from the herd or from the flock by a wolf or dog; and the ox and sheep are put for every other creature a man has, as camels, asses, &c.
Thou shalt not see thy brother's ox or his sheep go astray, and hide thyself from them: thou shalt in any case bring them again unto thy brother. (a) As though your did not see it.