GenotreesShichibukai System is approved by the world government. They approved 7 pirates groups and gave them amnesty, in return these pirate groups would work for the world government and even fight for the world government when it's required. There was one incident when the world government summoned all the Shichibukai and gave them one task that if they reject they would be stripped off the title of a Shichibukai. That task was to fight along side the world government against the Whitebeard pirates....
Donquixote pirate crew was lead by Doflamingo who's originally is a celestial dragon. He formed this pirate crew and called it by his own family name and this pirate crew became his family. Donquixote Crew is ranked as offices with five top officers and the rest are below them. This pirate crew has been attacked by the Navi and tracked to be taken down until the captain of this pirate crew became part of the shickibukai system and the Navi stopped attacking this pirate crew. Once this pirate crew...
The CrewStraw hat pirate group came from the east blue, their captain is Monkey D. Luffy. The first member to join him in his journey is Roronoa Zoro the pirate hunter. Shortly after Zoro, Nami has joined the crew as their navigator with the hidden intentions of stealing from them. She wasn't interested in joining a pirate crew due to her hatred towards pirates. Next to join the crew was the Usopp who was the son of a pirate that Luffy has met when he was a child. In their journey they...