The correct answer is Dayanand Saraswati.
Dayanand Saraswati was a Hindu reformer and the founder of the Arya Samaj. He was born in Gujarat, India in 1824. He was a scholar of Sanskrit and the Vedas. He believed that Hinduism had been corrupted by superstition and ritualism. He founded the Arya Samaj in 1875 to reform Hinduism and return it to its original Vedic roots. The Arya Samaj promoted education, social reform, and religious tolerance. It also played a role in the Indian independence movement.
Sahajanand Swami was a social reformer and the founder of the Kheda Satyagraha. He was born in Gujarat, India in 1859. He was a leader of the peasantry in Gujarat. He fought for the rights of the peasants against the British government. He was a follower of Mahatma Gandhi.
Raja Ram Mohan Roy was a social reformer and the founder of the Brahmo Samaj. He was born in Bengal, India in 1772. He was a scholar of Sanskrit, Arabic, and Persian. He believed that Hinduism had been corrupted by superstition and ritualism. He founded the Brahmo Samaj in 1828 to reform Hinduism and return it to its original Vedic roots. The Brahmo Samaj promoted education, social reform, and religious tolerance.
Swami Vivekananda was a Hindu monk and the founder of the Ramakrishna Mission. He was born in Bengal, India in 1863. He was a disciple of Ramakrishna Paramhansa. He traveled to the United States and Europe, where he gave lectures on Hinduism. He is considered one of the most important figures in modern Hinduism.