The term 'Lagooon Protector' is a job description for someone who is responsible for protecting lagoons from environmental damage. The crossword solution for this job is 'REEF, ' which is a natural barrier that protects lagoons from erosion and other environmental threats. Reefs are made up of coral, rocks, and other materials that form a barrier between the ocean and the lagoon. This barrier helps to protect the lagoon from storms, waves, and other natural disasters.