They played a role against the violation of human rights because of the inequality the world had against race,color,ethnicity and even weight/height. When people protested about this topic, people were less hateful to diversity and would allow any other skin color, weight or races into this world.
The peasants felt oppressed by the Tsar. They felt that it was unfair how they could not get certain jobs. They also didn't like that the most well off people in the Russian Empire were the most favored by him, while the poor were suffering.
Answer: Selling indulgences leads to corruption, greed, and a false hope of salvation.