Berated crazy speaker (7)

I believe the answer is:

debater

'speaker' is the definition.
(thesaurus)

'berated crazy' is the wordplay.
'crazy' is an anagram indicator.
'berated' with letters rearranged gives 'DEBATER'.

(Other definitions for debater that I've seen before include "One discussing topic" , "One engaged in public argument" , "Wrangler" , "One arguing" , "disputatious type" .)

I've seen this clue in The Guardian.

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