Commentary for Proverbs 29:21

If one pampers his slave from childhood [This refers to] the evil inclination.

a ruler Heb. מנון, a ruler, and so is (Ps.72:17): “May His name be magnified (ינון) as long as the sun exists.” Similarly, every instance of נין in the Bible, since the son rises in his father’s stead to rule over his property.