Clue: You and I loudly rejected what 'they' are in 25's 4 22 (3)
Answer: FEW
Explanation: Definition: what 'they' are in 25's 4 22
a repeated line of *The Masque of Anarchy* is: 'Ye are many – they are **FEW**!'
 **WE**="You and I" + **F** (Forte)="loudly", reversed/"rejected"