I want to ask if I post person who took my money...

As per Law No. (14) of 2014 Promulgating the Cybercrime Prevention Lawis considered a Cyber Criminal any one who violates the privacy of people by posting news or photos or videos about a fact, even if it's true, in the social network.
So hen you posted the facts about your case in the social medias by divulgationg the name of the personyou violated the law and it may face a you a juridial follow-up 

Article (8) of the above low said;
A sentence of not more than three years in prison and a fine of not more than QR100,000, or either of these penalties, shall be imposed on any person who, through an information network or information technology technique, violates social values or principles, publishes news, photos or video or audio recordings related to the sanctity of people’s private or family life, even if the same is true, or insults or slanders others.

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