gym contract cancelled unfairly

I am a member at Plant Fitness in Witbank, were I regularly workout alone, now and then joined by fellow gym buddies not more than 5. I had an incident were the gym manager advised that I am not allowed to instruct fellow gym members without granted permission, I explained to him that I was not conducting an organised session, but the manager was adamant that I was misleading him. On a different day when the gym members joined me voluntarily, there was a heated argument between myself and the manager, which then he threatened to terminate my contract, I then told him I am not shaken by his threat. And he went ahead and terminated my contract. There are a number of sessions that are conducted with gym buddies and I strongly feel the managers decision was malicious, unnecessary and racial. The fellow gym buddies that normally joined me are all white and my contract was the only one that was terminated.<br> Please advise.<br> <br> Kind Regards<br> Patrick Motau<br> Email: [Email Removed]<br>