The relative value of someone who is usually the butt of jokes. Usually the shop/office whipping boy/girl. i.e. someone who is gullible, a rumor monger, gets angry easily, is easily startled etc.

Entertainment value. You have your wages, holiday pay, vacation and benefits. Then you have the entertainment value. Often worth more on a day to day basis than all the rest of the compensation from work. It's sometimes the only way to get to the end of the day.