Who  founded the Satyashodhak Samaj (Truth Seekers Society), which was devoted to securing human rights and social justice for low-caste people?

Jotirao Govindrao Phule

The correct answer is Option 4: Jotirao Govindrao Phule

Jotirao Govindrao Phule denounced the injustice of the caste system and scorned its rules of purity and pollution. In 1873 he founded the Satyashodhak Samaj (Truth Seekers Society), which was devoted to securing human rights and social justice for low-caste people.