common person

NOUN /kɑmən_'pɜrsən/
13 LETTERS · STARTS WITH C

common person is a valid 13-letter word worth 20 points in Scrabble and 26 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
C3O1M3M3O1N1P3E1R1S1O1N1
3 + 1 + 3 + 3 + 1 + 1 + 0 + 3 + 1 + 1 + 1 + 1 + 1 =20 PTS
DOUBLE WORD → 40TRIPLE WORD → 60
MEANING

What does common person mean?