What is melech in the bible?

Melech is a proper noun that appears in the Bible, specifically in the book of Jeremiah. In Jeremiah 38:6, Melech is one of the court officials who speaks up in defense of the prophet Jeremiah when he is thrown into a cistern by other officials. Melech asks King Zedekiah for Jeremiah to be rescued before he dies in the cistern.

Overall, not much information is given about Melech in the Bible, but he is mentioned as a compassionate and courageous individual who shows concern for the welfare of others.