Who was Leviticus in the Bible?

Leviticus is the third book of the Bible, and it is also the name of one of the books of the Torah in the Hebrew Bible. It is primarily concerned with laws and rituals related to the priesthood and sacrifices in ancient Israel. The book is named after the tribe of Levi, which was the tribe from which the priests of Israel were descended.

One of the twelve sons of Jacob and a patriarch of Israel