Claim on terminal illness

So i have been with clientele for many years infact ive lost money to them before but still gave them the benefit of the doubt ,but now im just being messed around ,i was diagnosed with stage 4 advance breast cancer last year september ,i called them about this around December i was ill treated over the phone ,i then decided that im taking it further ,intially they said i dont have cover i later found out when my policy was sent to me im covered for terminal illness ,ive also had a spinal cord operation ,anyway i was sent some forms that mu oncologist had to fill in this too was a process as im under goverment care there are steps u go via appointment i was then directed to the admin department ,and it took about a month for me to receive this paper work back ,right in the middle of a taxi war i had to fetch it.,Matheu the guy who said i should just send emails bacj directly to him as he sent it to me ,eventually i send it two weeks go pass i dont even get as much as aknowledgement say we have receieved ur documents again i had to call the direct line ,were the very nice lady assisted me Precious Ndaba and kept me on the line while she sent matheu a email asking him to contact me ,yet another week went by and i then emailed him and abratrator ,he then responded saying it shpuld go to claims as if he has spoken to me recently about this the next thing im now gettinf a email saying it is not approved not properly explaining why ,no im actually sick to death of the service aswell as the fact that im already ill now i have to fight for my money ,which mean if i was deceased ,my family would go through the same issue s ,i also requested as to why ur cash back system was saying that i still need 10 payments yet i startwd in 2016september and its almost september 2021 ,im really disgusted in the service ive been receiving from clientele ,i want this fixed and sorted out asap