The correct answer is A) Sree Narayana Guru.
Sree Narayana Guru was a social reformer, religious leader, and philosopher from Kerala, India. He is considered one of the most important figures in the history of Kerala. He is best known for his work to uplift the social and religious status of the Ezhava community, a Hindu caste that was considered to be low in the caste hierarchy. He founded the Sadhu Jana Paripalana Sangham (SJPS) in 1882, an organization that worked to improve the social and economic conditions of the Ezhava community. He also founded several schools and temples for the Ezhava community.
Ayyankali was a social reformer and freedom fighter from Kerala, India. He is best known for his work to uplift the social and educational status of the Dalit community, a group of people who were considered to be untouchables in the caste hierarchy. He founded the Sree Narayana Dharma Paripalana Yogam (SNDP Yogam) in 1892, an organization that worked to improve the social and economic conditions of the Dalit community. He also founded several schools and hostels for the Dalit community.
Chattampi Swamikal was a Hindu philosopher and social reformer from Kerala, India. He is best known for his work to reform Hinduism and to uplift the social status of the lower castes. He founded the Brahma Samaj in Kerala, an organization that worked to promote social reform and religious harmony.
Vaikunta Swamikal was a Hindu philosopher and social reformer from Kerala, India. He is best known for his work to reform Hinduism and to uplift the social status of the lower castes. He founded the Dharma Paripalana Yogam in Kerala, an organization that worked to promote social reform and religious harmony.