You must apply for a permanent residence visa to live permanently in the Maldives. The permanent residence visa is usually granted to a citizen of Maldives who is legally married to a Maldivian. The visa can also be given to someone who has invested in a business in the Maldives.
A Work Permit is an approval issued by the Ministry of Economic Development for employment in the Maldives. A Work Visa is a permission granted by Maldives Immigration that allows foreigners to live and work in the Maldives after they have acquired a work permit.