deep-sea diving (noun) skin diving: underwater swimming
Sinonime: VIP, big cat, big cheese, big cheese, big fish, big gun, big gun, big man on campus, big wheel, big wheel, bigwig, bigwig,
celebrity, dignitary, fat cat, head honcho, heavy-hitter, heavy-hitter, heavyweight, high man on the totem pole, high-muck-a-muck, important person, influential person,
mogul, nabob,
notable, personage, somebody