Who is sir danvers carew in the strange case of Dr. Jekyll and Mr. Hyde?

Sir Danvers Carew played a small role in the strange case of Dr jekyll and Mr hyde in the book. He played the simple role as the person who gets killed by Mr hyde.

His purpose in the book is to basically show mr hyde's true evil, AND to show how important Mr Utterson is in the book (He was sending Mr Utterson a letter)