Teacher taking part in Arab bi-centenary celebrations (5)

I believe the answer is:

rabbi

I'm a little stuck... Click here to teach me more about this clue!

'teacher' is the definition.
(Jewish teacher)

'part in arab bi-centenary celebrations' is the wordplay.
'RABBI' is hidden within the letters.
But, I am unsure how the hidden word is indicated.

'taking' acts as a link.

Can you help me to learn more?

(Other definitions for rabbi that I've seen before include "Religious leader in a Jewish community" , "Religious person" , "A Jewish scholar or synagogue leader" , "Jewish learned man" , "Teacher of Jewish law" .)

I've seen this clue in The Globe and Mail.

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