A quick definition of private morality:

Private morality refers to an individual's personal beliefs and values about what is right and wrong. It is different from public morality, which refers to the shared beliefs and values of a society. Private mortgage insurance is a type of insurance that protects lenders in case a borrower defaults on their mortgage. Private necessity is a legal defense that allows a person to break the law in order to prevent harm to themselves or others. A private nonoperating foundation is a type of charitable organization that does not directly carry out charitable activities. Private nuisance refers to a situation where one person's use of their property causes harm or annoyance to their neighbors. A private offering is a sale of securities that is made to a small group of interested buyers, rather than to the general public.