what do you call a black man in a suit ? the defendant
I have no idea what you mean by this, can you explain?
The only time they get dressed up is to go to church or a courtroom to meet with their court-appointed attorney.
Using such a negative racial stereotype is hurtful.  You should check out Ava DuVernay's Netflix documentary, "18th." It shows how the 150-year history of the 18th Amendment after slavery directly led to mass incarceration of blacks.