Short-paid

i worked at Rea Le tamisa [ construction company ] for 8 months in a project of rehabilitating taxi ways and ramps at O.R Tambo international airport as a Junior safety officer and due to late payment i resigned from the company. before i resigned thy were owing me money and they also claim UIF on my behalf and they never paid me and later on they claimed COVID-19 money from the client and still they haven't paid me so can you please assist me in this regard .