commissar
/ˌkɒmɪˈsɑː(r)/noun
1- an official of the Communist Party, especially in the former Soviet Union or present-day China, responsible for political education and organization（共产党）政治委员, 政委。
1.1
- a head of a government department in the former Soviet Union before 1946人民委员（前苏联1946年前的政府部门首长）。
1.2
- figurative a strict or prescriptive figure of authority〈喻〉代表; 权威：
our academic commissars.
我们的学术权威。
词源
early 20th cent. (Russian Revolution)： from Russian komissar, from French commissaire, from medieval Latin commissarius （see COMMISSARY）.