It made me feel terrible that Vellya Paapen betrayed his son because he didn't wanted to get into trouble. I wouldn't do that if my son was in the same situation. But at the same time, I could understand Vellya and thought about the caste system once again. He didn't betrayed Velutha because he hated him. Vellya knew what is going to happen to them since he and Velutha are UNTOUCHABLES. So it was like a moral vs cruel reality.