This is a hypothetical situation for a potential story.
Let's say Bob is a minor whose parents have already pre-paid for him to attend a religious summer camp as daycare for the entirety of summer. Unfortunately, due to some assorted disagreements with the owners of the camp, Bob is no longer comfortable attending said camp and wishes to stay home. His parents have told him they already paid for the camp, and they are going to force him to attend unless they can get a refund, which the camp refuses to provide.
In response, Bob decides to force the camp to refund his parents so he can stay home by ensuring the camp won't want him to keep attending. He physically stands where he knows he will be in the way and refuses to move, vocally protests the camp and its owners, and makes through anti-religious statements designed to encourage the other children to question their religion and thus anger those children's parents. He refuses to cooperate with authorities of the camp in any way. However, he does not knowingly break any laws or put anyone in danger, he simply makes himself as much of a hated nuisance as he can. He threatens to report assault if anyone attempts to physically compel him to behave or move.
At this point, the camp doesn't want him either, but they don't want to refund an entire summer's worth of daycare costs either. What are the camp's options for handling Bob? I imagine there is little they can do with Bob other than to expel him from the camp, they have little ability to enforce behavior on Bob if he refuses to cooperate as far as I know.
The real question is: do they have to refund the rest of the summer camp fees if Bob is expelled due to his own intentional misbehavior? Would a camp have any legal ability to prevent Bob from attending while keeping the full camp costs already paid by Bob's parents?