Mercedes Benz/Daimler chrysler dont care about past workers

don't want to help old members who worked for them years ago my dad has alzheimers now they wont assist me with a cent towards his costs even though I am his only family and I am semi disabled and work from home selling cds and lps how am I supposed to come up with R9000 per month on a chicken feed second hand businesss??? I have asked medical aid for help they will assist you to have as many kids as you want no problem and if you got aids they will help you but don't expect a cent when you have alzheimers they not interested - their benefits state that they " they cover private nursing in a private home which he is in now ' but they then turn round and make excuses - its time someone stood up for this as its wrong and I have no funds to pay for this they say they will assist if you a financially unable to cope but still turn you down - I have had four nervous breakdowns due to this and I'm nearly sixty what do they expect me to do go and beg on the street???