Hello sir, I have been working for 1 year and 6 months in a restaurant without a vacation. Due to my health, I had resigned, and when receiving my payment, they had deducted 4200 for the visa. Please I want to know if it is allowed to pay for the visa. Thank you!

3 years back I had given a post-dated cheque as a guarantee to a person whom I had to pay the money. In 3 years time before the due date of the post-dated cheque, I had paid him partially by cash and cheque for which I have his signed vouchers and the PDC cheque details. He was supposed to return back my PDC on the due date and collect the balance amount that was around AED 4000. The cheque value was AED 115,000. On the due date, he demanded more money from me and when I refused, he bounced the cheque and filed a cheque bounce case. He said I gave him a cheque of a closed bank account when he asked the money back and claimed the full amount. I was arrested and had to pay the fine for the cheque bounce case. With the agreement I have with me and the payment voucher proof, can I sue him back for the false accusation? And can I claim compensation for spoiling my name and image?