Arab that is bound to be a wanderer (7)

I believe the answer is:

bedouin

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This clue could be a double definition.

'arab that is bound' is the first definition.
'Bedouin' can be an answer for 'arab' (Bedouin is an example). I am not sure about the remainder of the definition.

'a wanderer' is the second definition.
(Bedouin is an example)

'to be' acts as a link.

Can you help me to learn more?

(Other definitions for bedouin that I've seen before include "Arab appears" , "Nomad of Jordan, for example" , "Desert wanderer" , "Member of a nomadic tribe of Arabs" , "Nomadic Arab of the desert" .)

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

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