a member or official of a political organization or government bureaucracy (originally in the Soviet context), typically one who follows orders and works within the party apparatus.

政治組織や官僚機構の役員・職員（元来はソ連の文脈で）、通常は命令に従い機構内の業務を行う者

an unquestioning, loyal subordinate or operative in any large organization, often used pejoratively to imply blind adherence to the organization rather than independent thought.

どのような大組織においても盲目的に従う忠実な下部職員・幹部（軽蔑的な含意）