Albert Barnes Commentary Deuteronomy 19:14

"Thou shalt not remove thy neighbor`s landmark, which they of old time have set, in thine inheritance which thou shalt inherit, in the land that Jehovah thy God giveth thee to possess it." — Deuteronomy 19:14 (ASV)

As a man’s life is to be held sacred, so are his means of livelihood; and in this connection a prohibition is inserted against removing a neighbor’s landmark: compare the marginal references.