Complaint about my employer

I joined one Africa logistics company on 15 October 2021.Job title sales rep, we were issued a 6 month contract with a 3 months probation period, salary agreed upon was R6 500 then 1st month I was paid the whole salary, second month was only paid half the salary and 3rd month was paid qaurter salary, mind due I resigned immediately from my previous job bcz I thought I found a better paying job I'll be able to pay all my credits now I am blacklisted bcz I don't have a job and I am unable to pay the loan.During the period of the contract no communication was made why are they struggling to pay us told us they give wholesale stock on consignment but now wholesale they paid them .09/12/21 they took their vihecle without any say or terminating of the contract or not, now I'm a strunded man no job,no money to bay for loan and bills...I'm asking Hello Peter to please help solve this problem