Chhatrapati Shivaji Maharaj, founder of the Maratha Empire, was known as 'Haindava Dharmodharak' (Protector of Hindu Dharma). He established Hindavi Swaraj (self-rule for Hindus) and championed Hindu causes against Mughal rule. Shahu was a later ruler, Shambhaji was Shivaji's son, and Nana Saheb was a Peshwa - none primarily associated with this specific title.