If someone racist and abused can open the case in...

You can report this racial discrimination to the police and bring witnesses on it
Article 6 of Federal Decree-Law No. 2 of 2015 stipulates that anyone commits a crime of discrimination shall be penalized with imprisonment for a period of no less than 5 years and a fine of no less than 500 thousand dirhams, and no more than one million dirhams, or one of these two penalties.