My 95 year old grandad has terminal skin cancer and dementia, he isnt taking care of himself and we try our best to but because he is still very much with it, he knows what he likes and what he doesnt. we have tried to get social services in before but was agressive and began swearing at the person. He refuses to go in a home and doesn't want care at  home as he belives people will try to take his things. 

His skin cancer on the side of his face is bleeding and rotting everyday, with no proper care towards it he is physically deteriorating. For example, my dad went round at the weekend, his sore had bled all over his shoulder and down onto the floor. He didn't want us to clean anything because "he had already done it", when it cleary had'nt been done. he is stubborn and We are worried he is going to bleed out because he doesnt get his cancer sore cleaned. 

I just need some advice please as mum and dad aren't too sure where to look on the internet. Much appreciated.

Thankyou.