The correct answer is Swami Sahajanand Saraswati.
Swami Sahajanand Saraswati was a prominent Indian freedom fighter, social reformer, and leader of the peasant movements in Bihar. He was born in 1889 in a village in Bihar. He was educated at the Kashi Vidyapeeth and the Benaras Hindu University. He was a follower of Mahatma Gandhi and was involved in the Non-Cooperation Movement and the Civil Disobedience Movement. He was also the founder of the All India Kisan Sabha, an organization that fought for the rights of peasants. He died in 1950.
Jayaprakash Narayan was a prominent Indian freedom fighter, social reformer, and politician. He was born in 1902 in a village in Bihar. He was educated at the Patna University and the London School of Economics. He was a follower of Mahatma Gandhi and was involved in the Non-Cooperation Movement and the Civil Disobedience Movement. He was also the founder of the Socialist Party of India. He died in 1979.
Karpoori Thakur was a prominent Indian politician and the Chief Minister of Bihar from 1977 to 1979. He was born in 1921 in a village in Bihar. He was educated at the Patna University and the Bihar Law College. He was a member of the Indian National Congress and was involved in the Quit India Movement. He was also the founder of the Janata Party. He died in 2008.
Vinoba Bhave was a prominent Indian social reformer and the founder of the Bhoodan movement. He was born in 1895 in a village in Gujarat. He was educated at the Gujarat Vidyapeeth and the Benaras Hindu University. He was a follower of Mahatma Gandhi and was involved in the Non-Cooperation Movement and the Civil Disobedience Movement. He was also the founder of the Sarvodaya movement. He died in 1982.