Captain Ahab, for example — one lamenting audibly (6)

I believe the answer is:

whaler

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'captain ahab for example' is the definition.
(I know that Captain Ahab has the occupation the whaler)

I don't understand how the rest of the clue works.

Can you help me to learn more?

(Other definitions for whaler that I've seen before include "Mammal-hunting boat" , "Occupation of Melville's Captain Ahab" , "The Pequod?" , "Ship hunting large mammals" , "one may go to work at sea" .)

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