Every time an act of Napoleon's is questioned by the other animals - regardless of how selfish or severe it may seem - Squealer is able to convince the animals that Napoleon is only acting in their best interests and that Napoleon himself has made great sacrifices for Animal Farm. Every tyrant has his sycophants, and Napoleon has one in Squealer, a clever pig who (as the animals say) 'could turn black into white.' Throughout the novel, he serves as Napoleon's mouthpiece and Minister of Propaganda.
