Bodylab gym

The guy said if we join we will get a 3 months free membership and after that we have to pay a student fee.. I only went there once and the following month there was lockdown. After lockdown they started taking money on my account of which I didn’t see a problem because my contract my supposed to end in November 2020. Early January they sent me a message that I’m owing them money and my matter was handed over the lawyers... they also sent the statement and the amount was R3866 of which I don’t know exactly what is this money for