After losing some hope, he gives a wild cry (5)

I believe the answer is:

percy

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'after losing some hope he' is the definition.
'Percy' can be an answer for 'he'. I'm unsure of the 'after losing some hope' bit.

'gives a wild cry' is the wordplay.
'gives' becomes 'pe' (I am not sure about this - if you are sure you should give a lot more credence to this answer).
'a wild' indicates anagramming the letters.
'cry' is an anagram of 'rcy'.
'pe'+'rcy'='PERCY'

Can you help me to learn more?

(Other definitions for percy that I've seen before include "Fellow" , "Henry - - , Hotspur" , "Family name of 'Hotspur'" , "called _____" , "Sledge" .)

I've seen this clue in the Evening Standard.

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