Employee in rowdy taverns (7)
I believe the answer is:
servant
'employee' is the definition.
(I've seen this before)
'rowdy taverns' is the wordplay.
'rowdy' indicates an anagram.
'taverns' anagrammed gives 'SERVANT'.
'in' acts as a link.
(Other definitions for servant that I've seen before include "House employee" , "Perhaps help" , "Domestic - valet" , "(Esp. domestic) employee" , "One working for another" .)