Moses
Genesis 26:14ESV·traditional attribution

He had possessions of flocks and herds and many servants, so that the Philistines envied him.

John Calvin Reformed @genevareformer

14. And the Philistines envied him. We are taught by this history that the blessings of God which pertain to the present earthly life are never pure and perfect, but are mixed with some troubles, lest quiet and indulgence should render us negligent. Wherefore, let us all learn not too ardently to desire great wealth.

Matthew Henry Presbyterian @wholebiblehenry

Here we have, I. The tokens of God's good-will to Isaac. He blessed him, and prospered him, and made all that he had to thrive under his hands. 1. His corn multiplied strangely, Gen 26:12. He had no land of his own, but took land of the Philistines, and sowed it; and (be it observed for the encouragement of poor tenants, that occupy other people's...

Commenting on Genesis 26:12-25

John Gill Reformed Baptist @doctorgill

For all the wells which his father's servants had digged, in the days of Abraham his father,.... For the watering of his flocks and herds, see Gen 21:25, the Philistines had stopped them, and filled them with earth; that they might be of no use; and this they did through envy to him, and is mentioned as a proof of it.