working class working class /ˈwɜrkɪŋ klæs/

noun

1. A social class comprising those who do manual labor or work for wages  ( working class , proletariate [Archaic] , labour [Canadian, British] , labor [American] , proletariat )
   a social class comprising those who do manual labor or work for wages
    There is a shortage of skilled labor in this field
   there is a shortage of skilled labor in this field