When is a librarian not a librarian?

In 40K, Librarians are hulking, power armoured psychics. So what do you call a person who looks after the books? Here's my Curator of the Lesser Wisdoms, a weary keeper of books and scrolls. (Apologies for the photo quality.)

The figure is an acolyte from the Empire kit, the Luminark of Hysh. I made a couple of very minor modifications, chopping off the old world symbols and adding the hanging book. He was fun to put together and paint.