Air new question to one Arab (5)
I believe the answer is:
iraqi
'arab' is the definition.
(I've seen this before)
'air new question to one' is the wordplay.
'new' indicates an anagram.
'question' becomes 'q'.
'to one' becomes 'i' (Roman numeral).
'air' is an anagram of 'ira'.
'ira'+'q'+'i'='IRAQI'
(Other definitions for iraqi that I've seen before include "native of troubled land" , "Sadaam, say" , "Someone from Baghdad, for example" , "Native of Baghdad, perhaps" , "Person from Baghdad?" .)