Pygmalion effect refers to a psychological phenomenon in which a person feels supported when he or she gains the trust that another person expects from him or her, thereby becoming confident, self respecting, and gaining a positive motivation, hope to live up to each other's expectations.
The Pygmalion effect is when Roger John Rawls went from being a hippie brat to becoming New York's first black governor, inspired by the headmaster, you'll be a List of Governors of New York.