Who is Arvind Kejriwal, the man who defeated Modi's BJP in Delhi?

Who is Arvind Kejriwal, the man who defeated Modi’s BJP in Delhi? Arvind Kejriwal, an anti-corruption crusader-turned politician, has been re-elected chief minister for a third straight term in India’s capital after his Aam Aadmi Party (Common Man’s Party or AAP) registers a landslide victory over Prime Minister Narendra Modi’s Bharatiya Janata Party (BJP).