The correct answer is: B. Albert Ekka
Albert Ekka was a Santhali freedom fighter and social activist who founded the ‘Sonat Santhali Samaj’ in 1938. The ‘Sonat Santhali Samaj’ is a socio-cultural organization that works for the upliftment of the Santhali people.
Arjun Munda is a politician who served as the 10th Chief Minister of Jharkhand from 2000 to 2004 and again from 2009 to 2014. He is the president of the Jharkhand Mukti Morcha (JMM) party.
Hemand Soren is a politician who served as the 11th Chief Minister of Jharkhand from 2005 to 2008. He is the president of the Jharkhand Vikas Morcha (JVM) party.
Shibu Soren is a politician who served as the 9th Chief Minister of Jharkhand from 2005 to 2008. He is the president of the All Jharkhand Students Union (AJSU) party.