hillbilly

US /ˈhɪlˌbɪl.i/
UK /ˈhɪlˌbɪl.i/
"hillbilly" picture
1.

a person from a remote, rural area in the mountains, especially in the southern US Appalachians, often stereotyped as unsophisticated and uneducated

:
He was called a hillbilly because he grew up in the remote mountains.
The movie portrayed the characters as stereotypical hillbillies.