To disenfranchise a group of people means to take away their right to vote, or their right to vote for what they really want.
例句
...fears of an organized attempt to disenfranchise supporters of Father Aristide.對剝奪阿里斯蒂德神父支持者選舉權這一有組織企圖的擔心...the helplessness of disenfranchised minorities.被剝奪了選舉權的少數民族的無助
英漢詞典釋義
vt.
剝奪…的選舉權,剝奪…的公民權,終止…的特許權
White supremacists devise new methods to disenfranchise Negroes.白人至上論者想出新的方法以剝奪黑人的公民權。