Hi, I paid a sum of 7500 AED to a man in UAE for a...

We would like to inform you that if your inquiry is related to a person who refuses to return money obtained by submitting a work visa to you, here is the following information:
 You may refer to the police station in order to file a complaint against the person, accusing him of fraud because of his receipt of money and he refused to return it. You shall provide evidence to prove the person got an amount of money.
 The following evidence may be used:
- Submit documents that include the person's signature that he received the money from you.
  - Provide witnesses to the person who received money from you.
 If the person is convicted, he will be subject to fraud punishment, which is imprisonment.
 Here is the text of the UAE Penal Code related to your inquiry:
Article 399:
Shall be deferring to detention or to a fine, whoever suc- ceeds in appropriating, for him or for others, movable property, a deed or a signature thereon, cancellation, destruction or amend-ment thereof through deceitful means or use of false name or Capacity, whenever this leads to deceit the victim and have him give away shall be entitled to the same penalty, whoever dis- poses of an immovable or movable property being aware that it is not his property, that he is not entitled to dispose of it or disposes of it knowing that he previously disposed of, or con- tracted, it whenever such act of disposition causes prejudice to others.
Should the object of the crime be the property or a deed belonging to the state or tone of the bodies mentioned in Article (5, this shall constitute an aggravating circumstance.
Attempt shall be sanctioned by detention for a term not exceeding two years or a fine not in excess of twenty thousand Dirham.
when condemning the recidivist to detention for a period of one year or more, the court may order putting him under control for a maximum period of two years provided it does not exceed the period of the ajudicated penalty.

You must provide all the evidence to the police station and accuse the person of fraud and fraud against you