Brain tumor Treatment

This Is sanjeev Kumar who is on 457 visa from.oct 2015 and working as a Restaurant Manager at The Grand pavilion Ettalong ,terrigal and warners bay.Few weeks Back he detect with Brain tumor and which is Aggressive Grade.He used to work for Employer shaker The Owner of The Grand Pavilion ,shaker start exploiting him on name of providing him PR in australia and haven,t paid him around 20 months appox. , he start serving on his tip gets from work in hope of that restaurant owner will help in getting PR AND working around 14 to 15 hours everyday. After his ctitical medical condition we asked his employer ,he clearly denied to help .we asked for His pending salaries which he refused to pay by saying that company didn't owe anything to sanjeev Kumar .Employer said He is on medical so im not going to pay anything .While checking his superannuation, we found that he did not even paid that too .it was paid only couple of hundreds only.please Help us to get him well soon. For his further treatment which is radiation therapy and chemotherapy which is  going  to start soon we  raising the funds.