"A boy looks up. He sees a Cardassian's hand on his shoulder and knows that this is usually a prelude to a beating or, if he is fortunate enough, arrest. The boy knows how many disappeared during the Occupation of Bajor. So he does the one thing he can think of: he bites the Cardassian. Then the nightmare begins."
Elim Garak has a small role towards the end where it is revealed he is the Cardassian ambassador to the Federation.