Explanation:

- Mother Teresa:

- Known as the "Saint of the Gutters" for her work with the poor in Kolkata, India.

- Founded the Missionaries of Charity, providing care for the sick and the destitute.

- Awarded the Nobel Peace Prize in 1979.

- Vinoba Bhave:

- An influential Indian advocate of nonviolence and human rights.

- Best known for the Bhoodan Movement, land reform initiative in India.

- Bindeshwar Pathak:

- Famous for his work in restoring human dignity to the untouchable community.

- Founder of Sulabh International, promoting sanitation and social reforms.

- Kailash Satyarthi:

- Renowned for his work in ending child labor and slavery.

- Also a Nobel Peace Prize laureate, awarded in 2014.