Solomon
Proverbs 31:3ESV·traditional attribution

Do not give your strength to women, your ways to those who destroy kings.

Matthew Henry Presbyterian @wholebiblehenry

Most interpreters are of opinion that Lemuel is Solomon; the name signifies one that is for God, or devoted to God; and so it agrees well enough with that honourable name which, by divine appointment, was given to Solomon (Sa2 12:25), Jedediah - beloved of the Lord.

Commenting on Proverbs 31:1-9

John Gill Reformed Baptist @doctorgill

Give not thy strength unto women,.... Strength of body, which is weakened by an excessive use of venery (b) with a multiplicity of women; see, Pro 5:9; and strength of mind, reason, and wisdom, which is impaired by conversation with such persons; whereby time is consumed and lost, which should be spent in the improvement of knowledge: or "thy riches", as the Septuagint and Arabic...

Jamieson-Fausset-Brown Reformed @jfbcommentary

Succinct but solemn warnings against vices to which kings are peculiarly tempted, as carnal pleasures and oppressive and unrighteous government are used to sustain sensual indulgence. strength--mental and bodily resources for health and comfort. thy ways--or course of life. to that . . . kings--literally, "to the destroying of kings," avoid destructive pleasures (compare Pro 5:9; Pro 7:22, Pro 7:27; Hos 4:11).