i dont think hes calling MC an actual child.. it's more so an endearment usually used by someone older/elder like mountain man whos probably (correct me if im wrong) centuries old
Child was a term used often in historical contexts. It doesn't actually mean a child like we use it now. You could be a child and be 30. Its more of a term of endearment used back then. Same way we use girl and boy now even when someone is not underage.
Hey so this is insane