Authors note
Orochimaru is currently on the pirate ship waiting for the ship to arrive at the port so he can begin to explore the world and decide what course of action is most likely to help him find a way home
Orochimaru is talking with the captain while he waits for the ship to arrive the current topic is marines the captain is telling him as much as he know about how the marines do their work about how strong the marines are on average and how they go about doing their work.
If he is to believe the captain about how the marines do their work then the marines are a very corrupted bunch.
According to the captain the marines higher up don't care about the individual citizens especially on islands not on the grand line from what the captain tells about 50 percent of all commanding officers in the four blues is either corrupt or just plain useless.
And since the marine headquarters don't care about the blues at all (as long as they get taxes from them and their problems stays in the blues) the commanding officers tend to forget that there are rules they have to abide by and do whatever they want with the areas they are supposed to protect.
And since their superiors ignore them totally they get away with all crimes as long as they make sure to not be too obvious about it
Orochimaru did not like this at all to him it sounded like the marines only were marginally better than the pirates they hunted, so he made a decision no matter what he would choose to do in this world he would need money so he decided to check if the marines really was as corrupt as the captain said and if they was to steal the funds and supplies from them.
Authors note
If you think the marines aren't that corrupted then I'm open for argument but I personally think they are.
Just think about people like captain Morgan he ruled with fear for years without any interference, or Nezumi, he got bribed by Arlong for years and even after Arlongs fall he still had enough political power to put a 30 million bounty on luffy for taking down Arlong.
And yes I can't be sure if the higher up know he got paid to ignore Arlong but unless the marine didn't investigate at all even after Arlongs fall they would know that he had been on that island for eight years, and Nezumi unless I'm totally wrong are supposed to at least report pirates in the area he is patrolling if he can't capture them himself.
Since he clearly didn't report that Arlong had taken over the whole island for 8 year even idiots should be able to conclude that he had some deal with Arlong.
I do agree not all marines are corrupt but many are.
And in my opinion the higher up is even more corrupt since they allow the slave trade on sabaody.
You shouldn't forget that he gets his information from a pirate meaning that its probably slightly embellished but not that much the captain don't dare lie to Orochimaru.
Please review and tell me what you think of the chapter and the story as a whole I probably won't update anymore until I get at least 1 or 2 reviews since I won't know if anybody like my story or even has read more than the first chapter as long as I have zero reviews
Sorry for that terrible version I put up earlier I wrote it in a hurry and didn't have time to reread it then here is a proofread edited and cleaned version