Crossword Genius

Traditionalist nomadic Bedouin assuming the mantle of husband (9)

Ross

I believe the answer is:

hidebound

'traditionalist' is the definition.
('hidebound' can be a synonym of 'traditionalist')

I cannot understand how the rest of the clue works.

(Other definitions for hidebound that I've seen before include "Narrow-minded - ultra-conservative" , "very conservative" , "Restricted by petty rules" , "Narrow" , "Bigoted" .)

I've seen this clue in The Independent.
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