This is scary
“This is scary”
Yes, it is. The common link here is having some assets. If you don’t have anything to steal, they leave you alone.
Having lived through this sort of thing with my mother...
The law is stacked against concerned family members.
All that is required is the elder to say there is no problem and you have zero recourse. Especially, when the abuser lives with that elder and can gaslight the elder into beleiving that the other family members are simply “money grubbers” instead of genuinely concerned.
After that... you are powerless.