Answer:
Mohondas Karamchand Gandhi
Explanation: Mohondas Karamchand Gandhi who was also known as Mahatma Gandhi. He was the pioneer of non-violent movement in India against colonialism.Once he was shocked by a violent protest in India. Then he decided to form a new way of protest which was non violent. He decided to boycott foreign products as a part of protest. He also marched towards Dandy for increasing the price of salt. So in various ways he protested against colonialism in a non violent way.