A person assigned to manage a client's affairs.
In intelligence organisations, a person who manages a network of agents.
A person who manages, administers or organizes a collection, either independently or employed by a museum, library, archive or zoo.
A member of a curatorium, a board for electing university professors, etc.
One appointed to act as guardian of the estate of a person not legally competent to manage it, or of an absentee; a trustee.