Fahrenheit 451 - Part 2: The Sieve and the Sand PLEASE HELPPP

Montag wants to find people that can help them change the system. Faber says there are many actors and historians that are upset they could not act or write for forty years. Have these people just been keeping quiet for all forty years? Where have they been hiding if they were doing something in secret? How are Montag and Faber going to find these people and make sure they can trust them?