Answer:
public defender
Explanation:
In simple words, public defender can be defined as an individuals who is authorized to conduct legal practices and provides services to those individuals who cannot afford to pay fess for the conduct of court. These lawyers are workers of government, whether state or national/ federal and are paid from the government funds.
Public defenders are appointed by the governments on the basis of rule that everyone is eligible for justice with no concern to gender, ethnicity or economic status. Thus, we can conclude that Mario is public defender.