The only help that little one would ever get is the help that will lead her to murder Rika and a whole village, as well as anyone else that was around by chance. She has already decided such a fate for herself, no matter what good intentions you may have. No matter what good words you use.

She's a murderer and far beyond point of changing that fact. Not to mention that this is just temporal, a game of the Malnosso to enjoy themselves. Contact with that girl will just put you in her list of people to use and eliminate once she's old again.