The correct answer is "him". To avoid confusion, simple remove all the other nouns and pronouns, except for the one in question. For the above sentence, saying "Our debater will be <em>he</em>" is grammatically incorrect. Therefore the complete corrected sentence should be "Our debaters will be Jorge and him.".
The catholic church believed that theatrical performances were blasphemous and places of debauchery which led people to sin. This would be the closest answer possible since you didn't provide possible answers to choose from.