Indigenous person in Panama or Indonesia (5)

I believe the answer is:

maori

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'indigenous person' is the definition.
The answer and definition can be both related to communication as well as being singular nouns.
Maybe they are linked in a way I don't understand?

'in panama or indonesia' is the wordplay.
'in' indicates the answer is hidden within the clue.
'MAORI' can be found hidden inside 'panama or indonesia'.

Can you help me to learn more?

(Other definitions for maori that I've seen before include "Original New Zealanders" , "antipodean language" , "NZ Polynesian language" , "Member of aboriginal people of New Zealand" , "race" .)

I've seen this clue in The Sun.

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