My visa get rejected 4 times their was a issue...

 Please be kindly informed that according to the data contained in your inquiry and with regard to visa rejection, it is possible to re-apply from another emirate, meaning if you applied for a visit visa from Dubai and the rejection was made, you could apply for it from the emirate of Abu Dhabi, noting that the visa needs a security approval, and this is previously rejected with Note that the visit visa can be extended if he is in the UAE, provided that the extension request is made before its expiry, otherwise the extension for it is refused.