Victim of Identity theft after leaving my ID book in cell C Sandton with employees

I regret my self for trusting kamogelo from cell C Sandton with my documents I'm now a victim of identity theft after taking a contract in December and accidentally leaving my ID book by mistake with this rude and untrusted employee of cell C in Sandton I have 2 different cases of someone who's taking phones from 2 different cell shops using my same information I left with cell C in Sandton banking details pay slip email account proof of residence I have asked been asked if have I lost my ID before the answer is no I only forgotten it at cell C in Sandton with kamogelo who's employed by cell C I asked what happened with my ID he was blocking my calls until I used a different number he asked me rudely to come with my police even the manager was just useless with bad attitude only cell customer care tried to help but unfortunately this guy who's using my details isn't prepared to stop yet be careful when dealing with untrusted people