If he could not obtain a suit of battle armor for himself, then he would just have to settle with becoming a mecha pilot.
There was a reason battle armor masters were recognized as the strongest—the path to becoming one was difficult and few ever succeeded.
The chances of failing were simply astronomical. In order to craft a battle armor successfully, one needed to accomplish multiple steps: refine rare metals, forge them, create a design, craft it, and then maintain the final product. The troubles of obtaining and owning battle armor were tenfold to that of mechas.
To obtain a suitable mecha, one only needed to hire a capable mecha designer and craftsman. But regarding battle armor, this process was much more convoluted; one needed to be personally involved in the creation of one’s battle armor. This was to determine the most suitable path such that the armor becomes an extension of one’s body.