How to say "diver" in Japanese

• もぐりCommon
  nounCovers both the act of diving under water and a person who does so; a common word, from the verb もぐる, as in a diver gathering shellfish off the coast.
  潜もぐりはできるが泳およげないのは、私の知しる限かぎりでは彼かれだけだ。↗

  He is the only man I know who can dive but not swim.
• ダイバー
  nounThe katakana loanword for 'diver'. It refers to divers generally and fits contexts such as scuba diving and marine sports.
  ダイバー達たちは海底かいていに難破船なんぱせんを見みつけた。↗

  The divers found a wreck on the sea-bed.
• 潜水夫せんすいふ
  nounPresents the diver as an occupation: the word pairs 'diving' with a term for a workman, so it suggests someone who works under water for a living, as in salvage or underwater construction.
  潜せん水夫すいふは危険きけんなく真珠しんじゅを集あつめることができる。↗

  The divers can gather pearls with no danger.
• 潜水作業員せんすいさぎょういん
  nounLiterally an 'underwater work crew member', this longer term casts the diver as a worker performing operations under water; a less common, more explicit alternative to 潜水夫.

「もぐり」 is the common word for diving or a diver; 「ダイバー」 is the loanword, fitting scuba and marine-sports contexts; 潜水夫 and 潜水作業員 present the diver as an occupation, the latter emphasizing underwater work crews.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

• もぐりdiving
• ダイバーdiver
• 潜水夫せんすいふdiver
• 潜水作業員せんすいさぎょういんdiver