There are two kinds of charlatan: the man who is called a charlatan, and the man who really is one. The first is the quack who cures you; the second is the highly qualified person who doesn't.
It is true that there is a thing crudely called charity, which means charity to the deserving poor; but charity to the deserving is not charity at all, but justice. It is the undeserving who require it, and the ideal either does not exist at all, or exists wholly for them.