If thy brother be not nigh unto thee, which may make the duty more troublesome or chargeable. If thou know him not; which implies, that if they did know the owner, they should restore it to him. Thou shalt bring it unto thine own house, to be used like thine own cattle. Thou shalt restore it to him again, the owner, as it may be presumed, paying the charges.
Related Commentaries of Deuteronomy 22:2
Deuteronomy 22:2
2 And if thy brother be not nigh unto thee, or if thou know him not, then thou shalt bring it unto thine own house, and it shall be with thee until thy brother seek after it, and thou shalt restore it to him again.