Polebitvy
"Please follow us while we enter the details," the soldier said to Lex. "According to our information, you are to be deputed as an Auxiliary Combat Aid (ACA). ACA members are all officially recognized by the Jotun army, and have rankings and authority of their own, but fall outside of the command chain. This basically means that they help the army on certain tasks and missions, but they cannot be forced to accept missions or be stationed in places.
"The specifics vary based on the role and rank of an ACA member, but I'm sure you already know the circumstances of your recruitment. The point of me telling you this is that, by becoming an ACA member, you gain a certain level of perks and merits which can be availed across the empire, and you will have a clean and clear identity to use."