Noun

• S: (n) diver, frogman, underwater diver (someone who works underwater)
• S: (n) diver, plunger (someone who dives (into water))
• S: (n) loon, diver (large somewhat primitive fish-eating diving bird of the northern hemisphere having webbed feet placed far back; related to the grebes)

Adjective

• S: (adj) divers, diverse (many and different) "tourist offices of divers nationalities"; "a person of diverse talents"