貴賎[kisen] high and low
卑賎[hisen] low class
微賎[bisen] low rank
下賎[gesen] humble birth

貧賎[hinsen] poor and lowly
賎民[senmin] humble or lowly people
賎業[sengyou] low or mean occupation
不可触賎民[fukashokusenmin] untouchable (of India's caste system)