counterestablishment

plural counterestablishments

1. An establishment that opposes another establishment.

   1 more example

   Founded in 1953 to seed a new conservative generation (and originally called the Intercollegiate Society of Individualists), this pioneer of what would become a sprawling conservative counterestablishment boasted as its first president a young man named William F. Buckley Jr., who would go on to bigger things.

   2007 October 7, Jonathan Rauch, “Crisis on the Right”, in New York Times