commissar /ˈkɒmɪˌsɑː, ˌkɒmɪˈsɑː/

• 1. 

  N in the former Soviet Union an official of the Communist Party responsible for political education, esp in a military unit (尤指在前苏联的军事单位)负责政治思想教育的共产党官员 (Also called political commissar)