Boatman revisited old region (9)

I believe the answer is:

gondolier

I'm a little stuck... Click here to teach me more about this clue!

'boatman' is the definition.
(gondolier is a kind of boatman)

'revisited old region' is the wordplay.
'old region' can be anagrammed to 'GONDOLIER'.
However, I'm not sure how the anagram is indicated.

Can you help me to learn more?

(Other definitions for gondolier that I've seen before include "Venetian boatman" , "Craftsman" , "Propeller of Venetian boat" , "Traditional boatman of Venice" , "Venetian waterworker" .)

I've seen this clue in The Sun.

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