Moses
Genesis 14:13ESV·traditional attribution

Then one who had escaped came and told Abram the Hebrew, who was living by the oaks of Mamre the Amorite, brother of Eshcol and of Aner. These were allies of Abram.

John Calvin Reformed @genevareformer

13. And there came one that had escaped . This is the second part of the chapter, in which Moses shows, that when God had respect to his servant Lot, he gave him Abram as his deliverer, to rescue him from the hands of the enemy.

Matthew Henry Presbyterian @wholebiblehenry

We have here an account of the only military action we ever find Abram engaged in, and this he was prompted to, not by his avarice or ambition, but purely by a principle of charity; it was not to enrich himself, but to help his friend. Never was any military expedition undertaken, prosecuted, and finished, more honourably than this of Abram's. Here we have, I.

Commenting on Genesis 14:13-16

John Gill Reformed Baptist @doctorgill

And there came one that escaped,.... Both the sword of the enemy and the slimepits; either one of the inhabitants of Sodom, who had an acquaintance with Lot and a friendship for him, and knew his relation to Abram; or one of Lot's family, that might escape being taken and carried captive: for not Michael the prince, so called, because when the angels fell they...