Hairy fellow's reportedly the guy spotted in the East End (4)

I believe the answer is:

esau

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'hairy fellow's' is the definition.
(hairy son of Isaac in the Bible)

I don't understand how the rest of the clue works.

Can you help me to learn more?

(Other definitions for esau that I've seen before include "brother done in Bible" , "First son of Isaac (Bible)" , "He traded his birthright for a mess of pottage" , "He gave away his biblical birthright for a mess of pottage" , "Jacob's brother in the bible" .)

I've seen this clue in The Independent.

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