"He was the first editor of Tattwabodhini Patrika journal. He was associated with Brahmo Samaj. He worked for the propagation of scientific modern outlook in the society. Instead of depending on the scriptures, he cited medical opinion against Child marriage. He advocated courtship before marriage, partnership, and equality as the basis of married life and divorce by both law and custom."

The above paragraph refers to who among the following social reformers?