Soemone Purchase from my account but yet I'm home

I have never being disappointed in my entire life with capitec I'm home now but someone just purchased with money how I don't I had R100 on my account but she / he purchased something that's cost R121 how is that on earth happening I'm now home when I get this notification that someone purchased with my card when I check my balance it says Roo.oo like I've heard it with this bank and it's not an online purchase this person purchased at watloo meat bloemfontein I dnt get this at all like I'm home how is possible for someone to buy through my bank whereas my card is with me , no our money is not safe at all I'm so angry now I don't what to say or do because it's clear that our money is not safe with this bank I've had it I'm enough it's just so so impossible I'm still not believing this capitec do something about or else you gonna lose many customer such a horrible morning I've had