The correct option is C Jyotiba Phule
Jyotiba Phule established the Satyashodhak Samaj, meaning the Truth-Seekers Society in 1870. The Samaj worked primarily for the non-brahman masses. It also opposed child marriage and supported widow remarriage. Jyotiba’s wife Savitribai Phule also supported his cause in the upliftment of the depressed class and women in the society.