I hope it's not too self-indulgent to present one of my own creations. As described in part in How the Irish Saved Civilization, among many other places, medieval monks played a key role in preserving texts, both religious and otherwise, by hand-copying them. I've said before that that (or alchemist) would be my job if I had lived during that time, and my sig-fig is the Precentor of the Scriptorium.
A scriptorium was a large room in a monastery used by the scribes and copyists for copying books by hand. Some monks had specialties: those who copied books were called antiquarii, those who dealt with daily business were called librarii or scriptores, those who added illustrations to the margins of text were known as illuminators, and a specialist in legal documents was called a notarius. These were all supervised by the precentor and his assistant the amarius. source