It's wrong to harass people.
Charlie's friend had borrowed money from him but still hadn't paid him back.
Charlie wants to get his money back.
Charlie reminds his friend about the money that he is owed.
Charlie calls his friend at least five times a day asking for the money.
After another week, his friend is able to get the money to pay him back.
Charlie's friend goes to the police and gets a restraining order on him.