The correct answer is B. Ramananda.
Ramananda was a 14th-century Indian Hindu saint and reformer who preached non-sectarianism and the equality of all people, regardless of caste or creed. He is considered to be the founder of the Ramanandi sect of Vaishnavism.
Tukaram was a 17th-century Marathi poet and saint who is considered to be one of the most important figures in Marathi literature. He was a devotee of Vithoba, a Hindu deity, and his poems are full of devotion and longing for God.
Dadu was a 16th-century Indian saint and poet who is considered to be one of the founders of the Dadu Panth, a Hindu sect. He was a preacher of non-duality and the equality of all people.
Raghunandan was a 16th-century Indian saint and scholar who is considered to be one of the founders of the Raghunandan Sampradaya, a Vaishnava sect. He was a preacher of devotion to Vishnu and the importance of good works.
Ramananda’s teachings were radical for his time, and he was often persecuted for them. However, he was also very popular, and his teachings had a profound impact on Indian society. He is considered to be one of the most important figures in the history of Hinduism.