collectivist
adjective [ before noun ]
POLITICS, ECONOMICS uk/kəˈlektɪvɪst/ ushaving a political system based on the principle of collectivism, or relating to the theory of collectivism:
In the collectivist cultures, the effect of working hours is not as disruptive as for managers working in individualistic, Anglo-Saxon cultures.
Some of his works praised Soviet collectivist ideals.