In the military, a political commissar or political officer (or politruk, a portmanteau word from Russian: политический руководитель, romanized: politicheskiy rukovoditel; transl. political leader or political official) is a supervisory officer responsible for the political education (ideology) and organization of the unit to which they are assigned, with the intention of ensuring political control of the military. The function remains in use in China's People's Liberation Army and Taiwan's Republic of China Army.