Comparative law notes
In Brazil, "querelado" is used only in criminal law. "Querelado" is the defendant in a prosecution for a criminal offense brought by a private person and not by the state.
There are multiple definitions - click on the translation that matches your context.
querelado
substantivo
full
defendant
noun
Definitions of defendant
a person against whom an action or a prosecution is brought in court
The defendant denies that he was driving the car at the time of the accident.