I have UAE residency till 2021. I won't be able to...

Exiting the country and not returning during a period of six months is to cancel the visa from the system, but with the imposition of the ban and the suspension of work in government institutions as usual, an extension can be obtained from immigration due to the emergency situation and this is a general problem for all expatriates so we recommend that you review your immigration as soon as possible if you are the guarantor