Short question is I have a player who wants to play a commissar character and I have allowed him but now see he is doing it to try and have more power than the rest of the party, how do I let him play a commissar without it ruining the game for everyone else?
The longer version is I have a first time group where one of them is very knowledgeable about 40K Lore and the others not so well versed and this player has just lost his character. He was killed by a Eldar pathfinder that they never spotted effectively due to plot reasons but also because the player was trying to kill a party member and split the party thanks to out of game knowledge so this already shows he is someone that tries to push things to their limits eg. he said he burned a fate point for his character to survive it but still wanted to make a new character so his old one could come back as a nemesis, something he has done exactly the same in a previous game
Now he wants to play a commissar which I allowed but I can tell its so that he has the ability to execute anyone he wants at any time, I have made the character with him going for Imperial Guard and Hierophant as the most suitable 'commissar' class, how can I nerf him narratively so he doesn't just start threatening to execute the party if they don't do what he wants or killing important NPCs for no reason or consequence. I've made him a cadet Commisar at the moment who is close to promotion to Junior Commissar like the first edition career path hoping this will work however I don't think it will be enough to stop him abusing his power.