Crossword Genius

Livingstone, say, converted any man or woman from Africa (6)

Ross

I believe the answer is:

person

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

'livingstone say' is the definition.
(I know that David Livingstone is a person)

'converted any man or woman from africa' is the wordplay.
I cannot really understand how this works, but
'man' could be 'son' and 'son' is located in the answer.
The remaining letters 'per' is a valid word which might be clued in a way I don't see.
This explanation may well be incorrect...

Can you help me to learn more?

(Other definitions for person that I've seen before include "Individual human being" , "Bod" , "character" , "A man or woman" , "present appearing in this" .)

I've seen this clue in The Telegraph.
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