Massasoit Sachem or Ousamequin (c.1581-1661), was the sachem, or leader, of the Pokanoket, and "Massasoit" of the Wampanoag Confederacy. The term "Massasoit" actually means "Great Sachem". Wikipedia
The definitive Wikipedia entry for Massasoit. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Massasoit