What does the father of multitude mean?

The phrase "father of multitude" refers to the biblical figure Abraham, who is described as the patriarch of many nations and peoples. In the Book of Genesis, God promises Abraham that he will be the ancestor of numerous descendants, signifying his role as the founder of the Israelite people and, more broadly, of various nations. The term emphasizes his significance in the religious traditions of Judaism, Christianity, and Islam, where he is seen as a model of faith and obedience to God.