Quizzer from Scotland to search after answer (5)

I believe the answer is:

asker

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'answer' is the definition.
Although both the answer and definition are singular nouns, I cannot see how one could define the other.

I can't explain the rest of the clue.

Can you help me to learn more?

(Other definitions for asker that I've seen before include "beggar" , "newt" , "One requesting" , "One seeking" .)

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

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