National leader of absolute principle - is every single person in support? (9)
I believe the answer is:
taoiseach
'national leader of absolute' is the definition.
I don't know anything about this answer so I can't tell whether this works.
'principle is every single person in support?' is the wordplay.
I cannot really understand how this works, but
'principle' could be 'tao' (Tao is an example) and 'tao' is located in the answer.
'is' is within the answer.
'every' could be 'each' ('each' can be a synonym of 'every') and 'each' is present in the answer.
No letters remain.
This explanation may well be incorrect...
Can you help me to learn more?
(Other definitions for taoiseach that I've seen before include "Western PM" , "Irish premier" , "Irish head of government" , "Leader of the government" , "I 'ate chaos (anag) - Irish Republic's prime minister" .)