plebian 1. Belonging to, or pertaining to, the common people. 2. A reference to, or belonging to, the ancient Roman plebs. 3. Common, commonplace, or vulgar; such as, a plebeian joke. Found on http://www.wordinfo.info/words/index/info/view_unit/1692/
1) Commoner 
plebian 1. Belonging to, or pertaining to, the common people. 2. A reference to, or belonging to, the ancient Roman plebs. 3. Common, commonplace, or vulgar; such as, a plebeian joke.