Cell c used us

we were hired to work as agents for cell c to Port and Rica sim cards, we were promised a basic salary of R1500 and a commission of R5 for every active sim card and cellphones. we worked for the month of July and August without pay, we were called to the manager's house on the last friday of August around 7pm and we were fired and told to sorts our friendship out. Peter promised us our salaries by the end of the month. on the 1st of September we received sms' from Peter with Shoprite money market M-code and pin numbers instructing us to collect our salaries from the money market. we got paid R700 some got R500 most got R300 and less only 1 person got R1000. when complaining Peter told us to accept what we got because he did us a favor.