helotism

詳細解釋：

hel.ot.ism

n.（名詞）
A system under which a nominally free social class or a religious, national, or racial minority is permanently oppressed and degraded.
農奴制，奴隸制：一種制度，在這種制度中，名義自由的社會階級、少數宗教派、少數民族或少數種族受到永恆的壓迫和羞辱
A type of symbiosis, as among certain ants, in which one species is dominant and makes the members of another species perform the tasks required for their mutual survival.
共生（現象），役生現象：一種共生（現象），如某些螞蟻，在這種現象中，一個種處於支配地位，並使得別的種的成員承擔他們共同生存所需完成的任務