优生学：Ace, Luffy, and Robin were targets for discrimination due to their parents, Montblanc Cricket due to his ancestor, and Rebecca due to her family. Another example is the fact that the World Nobles act superior to others due to their heritage.
Status Divide - It is focused on with the Straw Hat Pirates' status as pirates, the World Government's status as "world leaders", the Marines' status as "protectors of the world", and the World Nobles as well as nobles thinking they have a higher status than everyone else.
War Profiteering - Donquixote Doflamingo taking advantage of the instability he caused for nearby peaceful nations after usurping King Riku, profiting from the weapons he provides them during their wars. His subordinate, Caesar Clown also provides weapons of mass destruction to warring nations.
