The social interaction or friendship between common people

(idiom) cotton clothes and simple food; used to describe a frugal, thrifty, or plain lifestyle

a friend or friends made when one was poor or of low social status; also refers to a friendship that ignores differences in social standing

Commoners who rise to high government positions by virtue of their own talent or merit, rather than through aristocratic birth.

(literary) wearing hemp clothes and a leather belt; used to describe a commoner or a person of humble status who lacks official rank