Clarke's Bible Commentary - Proverbs 23:10
Verse 10. Remove not the old landmark ] See the preceding chapter, ver. 28. Enter not into the fields of the fatherless ] Take nothing that belongs to an orphan. The heaviest curse of God will fall upon them that do so.
John Gill's Bible Commentary
Ver. 10. Remove not the old landmark , etc.] (See Gill on “ Proverbs 22:28”); and enter not into the fields of the fatherless ; to carry off the increase of them, to reap their wheat, or mow their grass, or turn in cattle to eat it; or to encroach upon them, take in any part of them, or join the whole to their own; for if there is a woe to them that lay field to field, much more to them that enter into and take the fields of the fatherless, and join them to their own, ( Isaiah 5:8).
Matthew Henry Commentary
Verses 10, 11 - The fatherless are taken under God's special protection. He is their Redeemer, who will take their part; and he is mighty, almighty.
Original Hebrew
אל 408 תסג 5253 גבול 1366 עולם 5769 ובשׂדי 7704 יתומים 3490 אל 408 תבא׃ 935