Drink after drink — one attempting to lift another? (9)
I believe the answer is:
supporter
'one attempting to lift another?' is the definition.
The answer is a person as well as being a singular noun. This is suggested by the definition.
'drink after drink' is the wordplay.
'drink' becomes 'sup' (I've seen this before).
'after' says to put letters next to each other.
'drink' becomes 'porter' (porter is a kind of drink).
'sup'+'porter'='SUPPORTER'
Can you help me to learn more?
(Other definitions for supporter that I've seen before include "Advocate" , "Champion" , "Strut" , "sports fan?" , "Stay" .)