Explanation:

- Option 1: Jyotiba Phule

- The Satya Shodhak Samaj was indeed founded by Jyotiba Phule.

- Phule established this organization in 1873.

- Its aim was to promote education and social equality, especially for lower castes.

- It challenged the existing caste-based discrimination.

- Option 2: Swami Dayanand Saraswati

- He founded the Arya Samaj in 1875.

- Focused on Vedic teachings and social reform.

- Different movement than the Satya Shodhak Samaj.

- Option 3: Swami Vivekanand

- Known for the Ramakrishna Mission, started in 1897.

- Promoted spiritual development and service.

- Option 4: Raja Ram Mohan Roy

- Founded the Brahmo Samaj in 1828.

- Advocated for social and educational reforms.