Jewish leader contributing to Arab bile (5)

I believe the answer is:

rabbi

'jewish leader' is the definition.
(I've seen this before)

'contributing to arab bile' is the wordplay.
'contributing to' indicates a hidden word.
'RABBI' is hidden within 'arab bile'.

(Other definitions for rabbi that I've seen before include "Jewish minister" , "Hebrew teacher" , "Sacks, for example" , "Religious person" , "A Jewish priest" .)

I've seen this clue in The Telegraph.

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