How do you say “proletariat” in Vietnamese?

Vietnamese words for “proletariat”

• giai cấp vô sảnListennoun
  Hanoi [zaːj˧˧ kəp̚˧˦ vo˧˧ saːn˧˩] · Saigon [jaːj˧˧ kəp̚˦˥ vow˧˧ ʂaːŋ˨˩˦]giai level cấp rising vô level sản dipping

  proletariat

  for “proletariat” meaning: The lowest class of society; also, the lower classes of society generally; the masses.