Moses
Genesis 21:34BSB·traditional attribution

And Abraham resided in the land of the Philistines for a long time.

Matthew Henry Presbyterian @wholebiblehenry

Observe, 1. Abraham, having got into a good neighbourhood, knew when he was well off, and continued a great while there. There he planted a grove for a shade to his tent, or perhaps an orchard of fruit-trees; and there, though we cannot say he settled, for God would have him, while he lived, to be a stranger and a pilgrim, yet he sojourned many...

Commenting on Genesis 21:33-34

Jamieson-Fausset-Brown Reformed @jfbcommentary

COVENANT. (Gen 21:22-34) Abimelech and Phichol--Here a proof of the promise (Gen 12:2) being fulfilled, in a native prince wishing to form a solemn league with Abraham. The proposal was reasonable, and agreed to [Gen 21:24].

Commenting on Genesis 21:22-34

Jamieson-Fausset-Brown Reformed @jfbcommentary

Abraham sojourned in the Philistines' land--a picture of pastoral and an emblem of Christian life. Next: Genesis Chapter 22