curator

noun

1. A person who manages, administers or organizes a collection, either independently or employed by a museum, library, archive or zoo.

   “The Club became like town meetings for the entire New York art scene, attracting dealers, collectors, uptown curators like Alfred Barr, critics, and just about any other culturati who could wrangle their way in.”

   “Renowned curator Jacques Saunière staggered through the vaulted archway of the museum's Grand Gallery.”

2. One appointed to act as guardian of the estate of a person not legally competent to manage it, or of an absentee; a trustee.
3. A member of a curatorium, a board for electing university professors, etc.
4. A person or entity who controls, manages, or oversees another.
5. A groundsman who looks after a cricket field.