Solomon
Proverbs 29:21ESV·traditional attribution

Whoever pampers his servant from childhood will in the end find him his heir.

Matthew Henry Presbyterian @wholebiblehenry

Note, 1. It is an imprudent thing in a master to be too fond of a servant, to advance him too fast, and admit him to be too familiar with him, to suffer him to be over-nice and curious in his diet, and clothing, and lodging, and so to bring him up delicately, because he is a favourite, and an agreeable servant; it should be...

John Gill Reformed Baptist @doctorgill

He that delicately bringeth up his servant from a child,.... In a very tender and affluent way uses him with great familiarity; makes him sit at table, with him, feeds him with dainties, and clothes him in the most handsome manner, as if he was one of his own children: shall have him become his son at the length: he will expect to be used...

Jamieson-Fausset-Brown Reformed @jfbcommentary

become his son--assume the place and privileges of one.