curator

Etymology

From Latin cūrātor (“one who has care of a thing, a manager, guardian, trustee”), from cūrāre (“to take care of”), from cūra (“care, heed, attention, anxiety, grief”).

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. 1975, Tom Wolfe, The Painted Word
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.