Coffee maker in pub is totally abandoned to begin with (7)
I believe the answer is:
barista
'coffee maker' is the definition.
(I've seen this before)
'pub is totally abandoned to begin with' is the wordplay.
'pub' becomes 'bar' (both are drinking establishments).
'to begin with' suggests taking the first letters.
The first letters of 'totally abandoned' is 'ta'.
'bar'+'is'+'ta'='BARISTA'
'in' acts as a link.
(Other definitions for barista that I've seen before include "Coffee servitor" , "Coffee maker?" , "coffee-shop employee" , "Coffee bar server" , "Coffee bar worker" .)