What man bought Manhattan Island from the Indian?

The premise of your question contains a historical misconception. Manhattan Island was purchased from the Lenape Native Americans by Dutch colonists led by Peter Minuit in 1626, not by an individual named "man." While the transaction is often referred to as a purchase, it should be noted that the concept of land ownership differed between the Lenape and the Dutch, and this transaction has been criticized as a form of colonialism and cultural misunderstandings.