collectivist

US /kəˈlek.tɪv.ɪst/
UK /kəˈlek.tɪv.ɪst/
1.

kolektywistyczny

related to or practicing collectivism (= a theory or political system based on the principle that all industries and services should be owned by or for all the people in that country):

:
He advocated the use of electoral politics to gradually build a collectivist society.