If iam working as a driver in abudhabi for one...

In case your inquiry is about work contract termination before the end of its term, find the following information:
If the worker abruptly terminates the contract of employment, then the employer can request a ban against the worker and prevent him/her from working in the UAE.
In addition to that, the employer has the right to get compensation, due to the sudden and illegal termination of the contract.
Accordingly, we recommend you to negotiate with the employer in order to obtain a written consent to terminate the contract amicably and in mutual agreement.
Plus, obtaining no objection (NOC) to transfer the sponsorship to another employer / company.
Find the UAE labor law article related to your inquiry:
Article 116
Where a contract is revoked by the worker for reasons other than those specified in Article (121), he shall be required to compensate the employer for any damage the latter sustains as a result, provided that the amount of compensation shall not exceed half a month wage for three months or for the remaining period of the contract, whichever is shorter, unless otherwise stipulated in the contract.