The average citizen, as contrasted with the social, political or cultural elite.(noun)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "common man" in a sentence
"Aune: Even a common man like myself has something he is bound to maintain."
"Thus, at the turn of the century the common man in the streetcould no longer find any special admiration for the princess who rode alongthe front in uniform."
"It was, for Forsythe, a familiar pattern: common man meets Important Personage and instantly starts walking on eggs."