Crossword Genius

One making new life abroad -- former postman? (5)

Ross

I believe the answer is:

expat

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'one making new life abroad' is the definition.
I don't know anything about this answer so I can't tell whether this works.

'former postman?' is the wordplay.
'former' becomes 'ex' (prefix meaning former or onetime).
'postman?' becomes 'pat' (children's TV character Postman Pat).
'ex'+'pat'='EXPAT'

Can you help me to learn more?

(Other definitions for expat that I've seen before include "resident abroad" , "One living in foreign country" , "Emigre" , "one settled abroad" , "he has emigrated" .)

I've seen this clue in The Times and The Telegraph.
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