Revolutionary Proletarian Initiative Nuclei is a complex term that refers to groups or entities that are dedicated to bringing about social and political change through revolutionary means. However, there are several synonyms that can be used to describe these groups. One such term is "radical activists" who seek change through radical methods such as direct action and civil disobedience. Another synonym is "social justice advocates" who work to promote equality and fairness for all members of society. Other potential synonyms for Revolutionary Proletarian Initiative Nuclei include "militant activists," "political dissidents," and "rebels." Ultimately, the common thread among all of these terms is a commitment to social change through non-traditional means.