“Then they turned back and came to
The passage quoted above is from Genesis 14. It describes the actions of four kings who fought with five other kings in the valley of Siddim in the land of Canaan, where Abraham lived. Battles were going on around the patriarch as he pitched his tent in the land God had promised him, and Abraham, it seems, generally kept as far away from these as he could.
In this case, his relative Lot lived in Sodom, which had been pillaged in the conflict. With family involved, Abraham couldn’t morally stay out of it.