Shree Narayana Guru was a great socio-religious reformer of

Answer: Option A

Narayana Guru (ca. 1854 – 20 September 1928), was a social reformer of India. He was born into a family of the Ezhava caste in an era when people from such communities, which were regarded as Avarna, faced much injustice in the caste-ridden society of Kerala.