Bad service and lairs

Renault east rand motus select. I have a complain about the service. One sales assistant by the name of kagiso called me and asked if I can be his spoter . His deal was if I get him a successful client he will Pay me R2000.00 as a token of appreciation. I did wat he asked nd now nothing happened. But he got a successful client from me. Four months ago . He asked for my i d, proof of bank account and the sars documents. I submitted and till now no payment I'm still waiting. I would like to here from the dealer about this matter. What is going on i need the money. My child need clothing.