Someone who dives, especially as a sport.
Someone who works underwater; a frogman.
The loon (bird).
The New Zealand sand diver.
The long-finned sand diver.
A passenger carrying vehicle using an underground route; specially, a diver tram, one using the former Kingsway tramway subway (1906-1952).
A pickpocket.
A competitor in certain sports who is known to regularly imitate being fouled, with the purpose of getting his/her opponent penalised.