One ordering tea in bars? (9)
I believe the answer is:
abstainer
'one ordering tea in bars?' is the definition.
The answer is a person as well as being a singular noun. This is suggested by the definition.
'ordering tea in bars?' is the wordplay.
'ordering' indicates anagramming the letters.
'tea'+'in'+'bars'='teainbars'
'teainbars' anagrammed gives 'ABSTAINER'.
Can you help me to learn more?
(Other definitions for abstainer that I've seen before include "Teetotaller" , "One choosing not to vote" , "One declining to vote" , "He won't vote" , "One refusing hard stuff" .)