A Commoner

1. A member of the common people who holds no title or rank.
2. (Britain) Someone who is not of noble rank.
3. (Britain, Oxbridge slang) An undergraduate who does not hold either a scholarship or an exhibition.
4. (obsolete, Britain, Oxford University) A student who is not dependent on any foundation for support, but pays all university charges; at Cambridge called a pensioner.
5. Someone holding common rights because of residence or land ownership in a particular manor, especially rights on common land.
6. (obsolete) One sharing with another in anything.
7. (obsolete) A prostitute.

(member of the common people):

(prostitute): prostitute