The real Christopher Paul Gardner is an American businessman， investor， stockbroker， motivational speaker， author， and philanthropist. What does “philanthropist” mean？

The real Christopher Paul Gardner is an American businessman， investor， stockbroker， motivational speaker， author， and philanthropist. What does “philanthropist” mean？
A、A rich person who gives a lot of money to help poor people.
B、A very poor person.
C、A very rich person.
D、A man who becomes very rich by his own efforts.
正确答案：A rich person who gives a lot of money to help poor people.