According to the 1st Book of Samuel Chapter 25, Nabal was a rich Calebite, described as harsh and surly. He is featured in a story in which he is threatened by David over an insult, and ultimately killed by God.

The Book of Samuel is a book in the Hebrew Bible, found as two books in the Old Testament. The book is part of the Deuteronomistic history, a series of books that constitute a theological history of the Israelites and that aim to explain God's law for Israel under the guidance of the prophets.