delegate
n//ˈdeləɡət//delegat, delegera
A person authorized to act as representative for another; a deputy.
(US) An appointed representative in some legislative bodies.
(transitive) To commit (a task or responsibility) to someone, especially a subordinate.
(computing, Internet, transitive) (of a subdomain) To give away authority over a subdomain; to allow someone else to create sub-subdomains of a subdomain of one's own.