Explanation:

- Option 1: Sidhu Manjhi

- Correct Answer

- Sidhu Manjhi was one of the leaders of the Santhal Rebellion, which took place in 1855-56 against the British colonial authority and exploitative practices by landlords in India.

- Option 2: BR Ambedkar

- BR Ambedkar was a prominent Indian social reformer, jurist, and the chief architect of the Indian Constitution. He is associated with the Dalit movement and not the Santhal Rebellion.

- Option 3: Surya Sen

- Surya Sen was an Indian independence activist known for leading the Chittagong armoury raid in 1930. He was not involved in the Santhal Rebellion.

- Option 4: Swami Vivekanand

- Swami Vivekanand was a Hindu monk and an Indian spiritual leader known for his role in introducing Indian philosophies of Vedanta and Yoga to the Western world. He was not connected to the Santhal Rebellion.