A Full List of Sthalmann's Crimes

Collusion with pirates
Indirect collusion with the Sahagin
Abuse of the the position of Commodore for personal gain
Divulgance of state secrets to criminal enterprises
Accessory to the infiltration of the Lominsan navy by criminal enterprises
Accessory to sale of state secrets resulting in the slaughter of a village
Accessory to sale of state secrets resulting in the destruction of a Thalassocratic Levy
Conspiracy to steal treasure from the state
Assassination of the head of state

How did he end up rusty? Hell, I'm amazed that part of Merlwyb's inauguration didn't include gunning him down personally.