Individual in Greece: person with no future (5)

I believe the answer is:

vegan

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'individual' is the definition.
(vegan is a kind of individual)

I cannot understand how the remainder of the clue works.

Can you help me to learn more?

(Other definitions for vegan that I've seen before include "Strict vegetarian" , "Conscientious consumer" , "One not eating animals" , "One shunning animal products" , "Strict abstainer from animal products" .)

I've seen this clue in The Telegraph.

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