To the DECs, Ok your roster is going to be 'poor' for the next 2 years, but you are going to earn Approx 12,000AED more a month than if you joined at your correct seniority rank (an FO).
That's an extra salary of 288,000AED+ over the 2 years. - There's your compensation for your poor rosters.
If your rosters are that bad, ask for a demotion and give up the extra cash. Simple