Lot Begins to Pay the Price

Genesis 14:12 12
They also took Lot, the son of Abram's brother, who was dwelling in Sodom, and his possessions, and went their way.
Here we see Lot (and his family) beginning to pay the price for the decision made earlier to separate from Abraham and go his own way and settle in Sodom. In so doing, he also separated himself from the protection and blessing of Abraham's God. The result is that when these Kings seek to expand their kingdoms, God has no reason, Covenantally, to intervene and protect Lot. Abraham is the object of God's promises here, not Lot, much as that does NOT make sense to and our NT manner of thinking. This is not the NT - it is the OT and functions in a practical sense, in that OT fashion.

Genesis 14:13 
13 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. Just a note to observe that this "escape" could not have been and should NLT be construed to have been by happenstance. In spite of Lot's deliberate and, (evident from later Scripture) persistent disobedience and his increasing slide into depravity though still a believer and, as Hebrews 11 tells us, an example of faith for us, God makes provision to see that he is rescued! How marvelous and merciful a God we serve - who cars for us, despite our faithlessness and sin!

Genesis 14:21-24 21 And the king of Sodom said to Abram, “Give me the persons, but take the goods for yourself. ”
22 But Abram said to the king of Sodom, “I have lifted my hand to the Lord, God Most High, Possessor of heaven and earth, 23 that I would not take a thread or a sandal strap or anything that is yours, lest you should say, ‘I have made Abram rich. ’ 24 I will take nothing but what the young men have eaten, and the share of the men who went with me. Let Aner, Eshcol, and Mamre take their share. ”
In contrast to Abraham's remarks to Melchizedek, the King of Sodom's remarks to Abraham are surly and rude. For someone who has just been delivered from servitude or worse, he is ungracious and expresses no gratitude. Remembering that God has promised that promised that He will bless those bless Him and curse those curse Him, such behavior is ominous at best!