Respondent Respondent RESP Beklagter Respondent Demandado Demandado Défendeur נתבע उत्तरदाता 被告人 Réu 被告 RESP The respondent is the party against whom a petition is filed, especially one on appeal. The respondent can be either the plaintiff or the defendant from the court below, as either party can appeal the decision thereby making themselves the petitioner and their adversary the respondent.