Who was the founder of the reform movement, Arya Samaj?

Swami Dayananda Saraswati

The correct answer is Option (1) → Swami Dayananda Saraswati

The reform movement Arya Samaj was founded by Swami Dayananda Saraswati in 1875. He played a significant role in advocating for social and religious reforms in India, promoting principles such as monotheism, rejection of idol worship, and emphasis on Vedic teachings.