The Pirate Confederacy

Government

4 Different Kingdoms, each having pirate republics under them. Pirate republics have basically a deal with the Kingdoms and:
- Ruled by Pirate Code and focused on freedom with honor.
- Punishments are carried out by the crew of ships.
- Captains are elected by crews.

Cultures would vary on location, closer to nijisanji would mean more heavily niji culture for example

We love sex and love it a lot. Rather kinky and love hags.
We love entertainment, like Drinking, singing shanties, adult entertainment, gambling, fighting, artwork, and everyone is welcome to come to the pirate republics to join us in the fun.
Pirate Code to be Developed.
We hold no nation or culture as our friends, we are strictly for our own liberty and freedom.
Rum is the national beverage, Parrots the national bird.
Anglo naming scheme. Common tongue is rather... pirate like but some Pirates are more refined.
Egalitarian culture based on your credentials as a baddest seadog.
Irony is slavery is practiced widely on the plantations.

I don't know how an army would work in such as system, or even if a central fleet would exist. I need help.