Open English Wordnet
Adjectives
(s)propertyless, wage-earning, working-class, blue-collarof those who work for wages especially manual or industrial laborers“party of the propertyless proletariat” (G.B.Shaw)
(s)wage-earning, working-classworking for hourly wages rather than fixed (e.g. annual) salaries“working-class occupations include manual as well as industrial labor”