Who was the sachem leader of the wampanoag in 1621?

The sachem leader of the Wampanoag in 1621 was Massasoit. He played a crucial role in establishing a diplomatic relationship with the Pilgrims at Plymouth Colony, which was marked by the signing of a peace treaty. Massasoit's leadership was instrumental in fostering cooperation and trade between the Wampanoag and the English settlers during the early years of colonization.