The Satyashodhak Samaj, also known as the Truth-Seeking Society, was established by Jyotiba Phule. Jyotiba Phule was a social reformer and activist who lived in the 19th century in India. He is widely regarded as one of the pioneers of the social reform movement in Maharashtra.

Option 1: Vinoba Bhave - Vinoba Bhave was a disciple of Mahatma Gandhi and was associated with the Bhoodan Movement, which focused on land reforms and voluntary land redistribution. He was not involved in the establishment of the Satyashodhak Samaj.

Option 3: B. R. Ambedkar - B. R. Ambedkar was a prominent leader and social reformer, known for his work in fighting caste discrimination and advocating for the rights of the Dalit community. While he was influential in shaping India`s Constitution, he was not involved in the formation of the Satyashodhak Samaj.

Option 4: C. Rajagopalachari - C. Rajagopalachari was an Indian lawyer, independence activist, and politician. He was one of the prominent leaders in the Indian National Congress. However, he was not associated with the