The answer is A. Nanak.
Nanak was a 15th-century Indian spiritual leader who founded the Sikh religion. Christ, Buddha, Gandhi, and Mahavira were all 1st-millennium Indian religious leaders who founded major world religions.
Nanak was born in Punjab, India, in 1469. He was a Hindu who became disillusioned with the religious practices of his time. He began to teach a new way of life based on devotion to God, equality, and social justice. He attracted a large following, and in 1539 he founded the Sikh religion.
Christ, also known as Jesus, was a 1st-century Jewish preacher who is considered the founder of Christianity. He was born in Bethlehem, in what is now the West Bank, and was crucified in Jerusalem in 30 or 33 CE. His teachings have had a profound impact on the world, and Christianity is the world’s largest religion.
Buddha, also known as Siddhartha Gautama, was a 6th-century BCE Indian prince who renounced his wealth and privilege to seek enlightenment. He is considered the founder of Buddhism, one of the world’s major religions. His teachings focus on the Four Noble Truths and the Eightfold Path, which are a guide to living a moral and ethical life.
Gandhi, also known as Mahatma Gandhi, was a 20th-century Indian lawyer and activist who is considered the father of modern India. He led the Indian independence movement against British rule using nonviolent civil disobedience. He is also known for his philosophy of nonviolence, which has inspired many other movements for social change.
Mahavira, also known as Vardhamana, was a 6th-century BCE Indian prince who renounced his wealth and privilege to seek enlightenment. He is considered the founder of Jainism, one of the world’s major religions. His teachings focus on nonviolence, non-attachment, and asceticism.