That was why, after careful consideration, he was not concerned about the Martial Union finding out.
The truly bad outcome would be other parties finding out.
Specifically, the Shionel Confederation.
Specifically, Chairman Deacon.
Thankfully, it was almost entirely impossible for such an outcome to occur when he logically and rationally evaluated the probability of such a thing happening. Firstly, his Martial Art past the Squire Realm was not public. The reason for this was that he actually hadn't done many public missions before being assigned as a lead diplomat in the diplomatic expedition to Vilun Island. Soon after he headed to the Shionel Confederation to partake in the dungeon raids.