So the king summoned the Gibeonites and spoke with them. (Now the Gibeonites were not descendants of Israel; they were a remnant of the Amorites. The Israelites had made a promise to ¹  them, but Saul tried to kill them because of his zeal for the people of Israel and Judah.)

But Abishai the son of Zeruiah came to David’s aid, striking the Philistine down and killing him. Then David’s men took an oath saying, “You will not go out to battle with us again! You must not extinguish the lamp of Israel!”