imagine telling people you can talk to cows, people will think you are a weirdo that can understand and communicate to cows really well but think yourself to actually be able to speak cow. (which is of course impossible with our current understanding)
I was rereading this series and decided to take a closer look at a earlier chapter, I think the kid is living with the dad, that's why he is not in this picture
The point is sword master. if you equip a mob of people with guns and send them to fight a regular army, the army will be decimated before even knowing what hit them.