pearl fishing; pearl diver
Refers to the activity of diving for pearls or the person who does it. Context determines whether it means the occupation or the act.
In the past, pearl fishing was thriving in this region.
When he was young, he worked as a pearl diver.
Compound of 真珠 (しんじゅ, 'pearl') and 取り (とり, 'taking' or 'gathering'), from the verb 取る (とる, 'to take').