Sorry if this isn't the right place to post this, I haven't been on the forums in a while. I have NRAAS Story Progression to make my game more realistic, but I feel like it's made it more unrealist...
You can set magician, acrobat, etc. to 0 with Register. The op said their coworkers move on to become acrobats. Maybe that is an option to help stop them leaving their other jobs? (just guessing...)