The world government is a political organization seemingly comprised of 170 countries and ruled by the five elders Gerosei. It was created 800 years ago after the "avoid century" by the alliance of twenty kingdoms who present now the Tinriubito or celestial dragons with one exception the king's Arabasta who returns to his kingdom and choose not to stay in Mary Geoise. This organization is the main antagonist in the world allowing slavery, racial discrimination, killing innocent people, and hiding the truth. Applying such a policy created a countless number of enemies including pirates and the revolutionary army. Obviously this evil organization is afraid of losing control and the equilibrium of the world.
So let us talk about what endangers and fears the World Goverment
9-Kozuki Momonosuke:Momonosuke is the son of Kozuki Oden, the patriarch of Kozuki clan and a member of the Gol D Roger's crew. He inherits from his ancestors the knowledge to read Poneglyphs and write the language of the ancient civilization and also he had the power to hear all things. So as we mentioned Momonosuke comes from a strong family, heir of Odin and his power (hearing all things), when he connects with Zunesha a powerful creature, he orders him to attack Jack's fleet and instantly one of most powerful Kaido's servants was defeated and pushed away.
8-Nico Robin:Nico Robin called the "devilish woman", after a huge propaganda by the world government. The last archeologist survived from Ohara's genocide. She is the only one capable of reading the Poneglyphs and understanding the language of "ancient people". Apparently the world government neutralizes anything related to Poneglyphs cause it could reveal the hidden truth of " avoid century" or the "Mystical Weapons" location and thus losing their dominance. Robin has an important role in Straw Hat Pirates because her knowledge is essential to know the Raftel's location.
7-Shirahoshi-Hime:Mermaid Princess and the daughter of King Neptune she inherits from her ancestors one of the "Mstycal Weapon": Poseidon. Powerful and one of the most fearsome abilities in the world, she has the ability to call and command the "Sea kings" like Zunesha giant and very powerful creatures which can set the whole world in tremendous chaos. As one of the " Ancient Weapons", World Government fears Shirahoshi's power because it's threats directly there existence and dominance.
6-Crew of king's pirates Gol D.Roger:The only crew to reach the last island Raftel at the end of the New World in the Grand Line and knew the truth about the "Avoid Century", "World Government" and the "Ancient Civilisation" even the location of "Mystical Weapons", knowing too much is a big threat to the world government, although the crew disbanded, the Marines would never allow the crew to be forgotten.
5-Yonko:Emperors of the New World, they have an impressive influence and control over dozens of other pirate crews and they have a large territory that they govern within the New World. We have seen the power of White Beard pirates in the battle of Marineford and how much destruction the Yonko leaves it behind. The world government fears the Yonko due to their overpower and influence, Marines and all the services don't dare to approach or to go after them.
4-Revilionnary Army:The only military organization opposing and declaring the war again the World Goverment and the Celestial Dragons. the most wanted and dangerous man Monkey D.Dragon is the supreme commander of this army. Revolutionary Army under Dragon command is focusing on liberating individual islands from the corrupted local governments that are under the World Government authority and recruiting more soldiers who hate the Nobles world to increase their military power and to prepare for a rebellion and overthrow the World Nobles.
3-Ancient Civilisation:Enormous, prosperous, and powerful were the qualities of the "Great Kingdom". In ancient times twenty kingdom make an alliance to eliminate it and after the fallen of this civilization, the World Goverment was created 800 years ago. The W.G erases their existence, history, ideology which presents a threat a tremendous threat. However, the great nation was aware of the danger and creates an invincible records "Poneglyphs" to let the upcoming generations knowing the true history. Ancient Civilization is a mystery and resurrection of this nation will threaten the existence of the W.G.
2-Clan of D:The people with the D in their names steel a mystery, however, they have a unique character like Jaguar D Saul and insanelypowerful like Gal D Roger. The "D" is passed down between generations as well the Will of D", so it could be that the D clan is hiding somewhere. The Celstail Dragons fears the D Family because they are known as Gods Archeneny, apparently like White Beard said:" The man Roger is waiting for at very least its defmitly not you Teach, this man will carry on Roger's will. Even if you extinguish his bloodline, there's no way that their flame will ever burn out it has been passed down since ancient times and in the future someday someone will appear, carrying the history of all those decades on his back and challenge the whole world to a fight. You guys in the world governmt all fear that immense battle engulfing the whole world that eventually come but as soon as someone finds that great treasure the entire world will be upside down". Roger's will could be 'will of D" however the D Familly seems to have a relation with the Great Kingdom.
1- Monkey D.Luffy :Straw Hat Luffy the captain of Straw hat pirates such a powerful crew, his dream is to be the freest man ever which means the King of Pirates. With his crew caused so many troubles by fighting Marines, Yonko, defeating Shichibukai, Cipher Pol 9, causing an incident in Ennies Lobby so declaring the war against the World Goverment all this is to rescue his friend Nico Robin. He literally beats one of the celestial dragons. The head of world goverment five elders have talked about him so many times as a trouble maker, a "Dangerous Future Element " and he should be neutralized as soon as possible. Seemingly he has the power like the previous king's pirates Gol D Roger the ability "hearing all things". Even Mihawk admitted his power and said: " His true power is not Devil Fruit strength or some cheap trick. One by one, he turns the people around him into his allies. More than anyone else sailing the seas that man possess the most terrifying power" and apparently White Beard talked about him in Marine Ford as the Man of Prophecy.
