General term for a person who dives, especially in scuba diving or as a profession.
He is a professional diver.
The diver dove into the sea and took photos.
ダイバーたちは美しいサンゴ礁を探検した。
The divers explored the beautiful coral reef.
He works as a professional diver.
I got my diving certification during summer vacation.
skydiver
skin diver
diver's watch; diving watch
technical diver
rescue diver
Borrowed from English 'diver'.