Solomon
Proverbs 29:14ESV·traditional attribution

If a king faithfully judges the poor, his throne will be established forever.

Matthew Henry Presbyterian @wholebiblehenry

Here is, 1. The duty of magistrates, and that is, to judge faithfully between man and man, and to determine all causes brought before them, according to truth and equity, particularly to take care of the poor, not to countenance them in an unjust cause for the sake of their poverty (Exo 23:3), but to see that their poverty do not turn to their prejudice...

John Gill Reformed Baptist @doctorgill

The king that faithfully judgeth the poor,.... That truly executes justice and judgment among all his subjects, particularly the poor, who are too often neglected, because they cannot afford persons to plead their cause: such a king was Solomon; and especially the Messiah, of whom he was a type, Psa 72:1; his throne shall be established for ever; be secure to him as long as...

Jamieson-Fausset-Brown Reformed @jfbcommentary

(Compare Pro 20:28; Pro 25:5). Such is the character of the King of kings (Psa 72:4, Psa 72:12).