Marx’s work inspiring leader of revolution that’s uncomfortable (7)

I believe the answer is:

groucho

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'marx's' is the definition.
(comedian Groucho Marx)

'work inspiring leader of revolution that's uncomfortable' is the wordplay.
'work' becomes 'go' (synonyms).
'inspiring' indicates putting letters inside.
'leader of' indicates taking the first letters.
'that's uncomfortable' becomes 'ouch' (I am not sure about this - if you are sure you should believe this answer much more).
The initial letter of 'revolution' is 'r'.
'r'+'ouch'='rouch'
'go' enclosing 'rouch' is 'GROUCHO'.

Can you help me to learn more?

(Other definitions for groucho that I've seen before include "One of Harpo's brothers" , "One of four comedian brothers" , "Funny man" , "One of Marx Brothers" , "A Marx; a club" .)

I've seen this clue in The Guardian.

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