Who among the following advocated the ideology of “oru jati, oru matam, oru daivam manushyanu” (one caste, one religion, one god for humankind)?

Narayana Guru, a revered social reformer from Kerala, advocated the ideology of “oru jati, oru matam, oru daivam manushyanu,” which translates to "one caste, one religion, one god for humankind." His teachings emphasized the need for social equality, eradication of the caste system, and unity among people, regardless of caste, creed, or religion. Narayana Guru’s efforts aimed at breaking down caste barriers and promoting social justice in India during the late 19th and early 20th centuries. His contributions significantly influenced the social reform movements in Kerala and beyond.