Need a local guide in Dubai

We are going to visit our client in Dubai from May 2nd to 5th, and we are hoping to find a local person to be with us as a business entourage or tour guide. He or she should be: 1. A native in UAE, who knows the Arabic culture well. 2. Able to help us take photos during the trip and show us around as a tour guide. 3. Able to speak Chinese and do basic business negotiation. 4. No older than 45.