Inferior fish introduced by foreign articles (9)
I believe the answer is:
underling
'inferior' is the definition.
(underling is a kind of inferior)
'fish introduced by foreign articles' is the wordplay.
'fish' becomes 'ling' (ling is a kind of fish).
'introduced by' is a charade indicator (letters next to each other).
'foreign articles' becomes 'under'.
'ling' put after 'under' is 'UNDERLING'.
(Other definitions for underling that I've seen before include "Lackey" , "maid perhaps" , "Subordinate" , "A junior" .)