Apart from monster

You need to call social services, so they can get her out of there. Need to call someone and rescue her. This is terrible neglect and abuse.

Someone else's already mentioned abuser.

That's self discrpritive. And there are agencies that handle ALL forms of abuse.

You being in the UK have different names for such agencies.

You should call the authorities.

Giant wolloper?

Wow...sorry...

Matricidal

Yes do it