Tribal folk lost camels besieging Nationalist quarter (8)

I believe the answer is:

clansmen

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'tribal folk lost camels besieging nationalist quarter' is the definition.
I can't tell whether this definition defines the answer.

'lost camels besieging nationalist quarter' is the wordplay.
'lost' is an anagram indicator.
'besieging' is an insertion indicator.
'nationalist' becomes 'N' (abbreviation in politics).
'quarter' becomes 'n'.
'camels' is an anagram of 'clasme'.
'clasme' enclosing 'n' is 'clansme'.
'clansme'+'n'='CLANSMEN'

Can you help me to learn more?

(Other definitions for clansmen that I've seen before include "Male members of Scottish family groups" , "Highland group members" , "Interrelated highlanders" .)

I've seen this clue in The Independent.

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