Commissar (noun)

1. An official in a Communist Party responsible for political education and control.
2. A political officer in the Soviet Union.

Origin:

Late 19th century; earliest use found in dictionary of americanisms (1898). ultimately from russian komissar, from french commissaire, from latin commissarius delegate, representative, from commodus fit, convenient.

Examples:

1. She was appointed as the commissar of the new department.
2. In the Soviet Union, the commissar was responsible for ensuring political loyalty.
3. The commissar oversaw the purges and the show trials.
4. The commissar was appointed by the central committee of the Communist Party.
5. The commissar was feared for his ability to control the political opinions of the citizens.