Disappearing Airtime and Bad customer service

About two weeks ago I noticed that every time I load airtime it disappeard, I called MTN and requested assistance in resolving this matter, I spoke to a consultant that explained the there were a few subscriptions on my phone that was chowing my airtime, she told me she was going to cancel them on her side but also gave me a number I needed to call to cancel the one subscription (even though I didn't know how I got signed up for that game lodge subscription, I still went and called them to have it cancelled) my main issue became when these subscriptions immerged two days later, I had loaded R180 airtime and it was all gone again...I called MTN again and was told I have 14 subscriptions, needless to say the sms's for those subscriptions were spamming my message box, I'd get over 20 sms's a day about something I wasn't even aware of. My request to the consultant I spoke to was I wanted MTN to block spamming SMS on my number, to provide me with information regarding how and where I signed up for these subscriptions and and to get refunded because I know I didn't subscribe to any these...I think I've spoken to four consultants and two managers for the past two weeks, the first manager Senzo was his name, said that he would escalate the matter and I'd get a reference number regarding the issue and that never happened, the one that stands out the most is Kgomotso who did not even display any empathy and the will to assist, he was very quick accuse me and to tell me that he doesn't know what I get up to on my phone and I obviously subscribed to these subscriptions, at this point I was irate because of the response Kgomotso was giving and due to the fact that I've been dealing with this case for two weeks and no body has gotten back to me regarding the matter and there was no solution provided to put an end to this nightmare, everyone who said they'll escalate the matter didn't and I still don't have a solution, I'm afraid to load airtime because the minute I do so these subscriptions take it all, I've been with MTN for over 10 years now and can't believe the bad service I'm getting, I will not be renewing my contract and I'll be porting my number elsewhere..this is my last resort and I'll be escalating this to the ombudsman.