One of the many special things about the SCA is that we get to be nostalgic. Which is not something you always get to do with re-enactment. And what I mean by nostalgic is that we can display those symbols associated with awards that have been bestowed upon us in a not so always historical manner.
Here are some resources on the various areas and types of historical sex work. I suggest picking one area that interests you as it can be a bit overwhelming. These resources were collected by the Knowne World Courtesans.
Links from the class of the same name.
The Best Seat in the House: An Introduction to Retaining
Looking for a way to serve your Kingdom? Ever wondered what a retainer does? This class will provide an overview of the role of Royal Retainer.