Well, if you have a camera with multiexposure, you can just blank the frame with a long exposure.
Originally Posted by pentaxuser
If not, you'll have t discuss a solution with the other person. But ultimately I would give up the film if necessary. It's never happened, but I would. The photographer is responsible for his photos and the loss of the roll would be on the photographer.
I behave respecfully with a camera and I have not had any confrontations at all. I have deleted a few digital images because the subject was uncomfortable with the way they came out in the photo, but it was done in a mutually friendly tone.