Hello, i started working for this company am in...

Hello, i started working for this company am in now in August of 2021,by then I my visit visa was still valid for a month and some days, they promised to make for me an employment visa,but they didn't until when I asked them what was going on, they told me my visa was banned because of overstay, since then I've been telling them to pay for my overstay charges because they are the ones who led my visa entering overstay until they banned it,my sponsor (the who had made my vist visa)asked them to give him money so that he can go and pay the charges so that they remove the ban but my bosses refused, and now they are telling me to leave there accommodation,,,am confused, i don't know what to do, am asking them to give me back my previous normal vist visa that i cam with but they have also refused....please help me 🙏I will be happy and thankful for your help