Artisan working for Russian leader (7)
I believe the answer is:
tsarina
'russian leader' is the definition.
'artisan working' is the wordplay.
'working' is an anagram indicator.
'artisan' is an anagram of 'TSARINA'.
'for' is the link.
(Other definitions for tsarina that I've seen before include "Wife of a tsar" , "top Russian women" , "Nicholas's wife" , "Russian royal; Sinatra (anag.)" , "Catherine, say" .)