CATSHER

Catsher is a Pearl worker who is unlocked at level 17. You can hire Catsher with 5 Pearls.

Catsher can do any tasks that a gold worker can do such as, collect wood, fish tuna, and mine rubies.

Other than the tasks above, Catsher can do the basic tasks that all Workers can do, which is, building structures and planting crops.