Common Folk 

Describes a person or persons of average capacities, abilities, education, intelligence, wealth, etc.

This is an explanation of quantum mechanics that common folk can understand.

The houses in this part of town are gorgeous, but not something common folk can afford.
The very rich have someone representing their interests, and also the very poor, but no one is speaking for us common folk.

Common Folk by wordog May 8, 2016

Common Folk 

1. Describes an ignorant, uneducated, foolish individual regardless of race, color, religion, sexual orientation, often poor or middle class, not the type of people who go to Ivy League School, or drives a Rolls Royce

Guy 1 "That a nice looking iPod you got there."
Guy 2 "Gee thats nice coming from Common Folk like you."

Common Folk by Mr Plow 726 February 18, 2010