I'm catching up and I know it gets answered later on, but yes, Moroni was a man who contributed to the Book of Mormon - wrote one of the books of the Book of Mormon - and was a religious leader at that time. We have statues of the angel Moroni atop our temples because he was the angel who appeared to Joseph Smith to teach him where to find the plates which Moroni - in life - had buried in order to obviously protect them to come forth in this "dispensation" for our use and guidance in the latter days in companionship with the Bible.