grassroots

adj

1. Of, or relating to people or society at the local level, particularly in politics, social movements, etc.; of the grass roots.

   “If there’s a down side to the film, it’s that “Soros” probably doesn’t devote enough time to the way its subject has become a favorite bogeyman to conservatives that paint him as the guiding hand behind grassroots campaigns by those intent on discrediting them.”