Answer: Juan is a shy guy
Step-by-step explanation:
Some individuals struggle with public presentations; irrespective of the number. This is not because of they ain't knowledgeable but rather they can't just stand before people to speak. Some person's do carry out various rehearsals to face an audience and they might end up not presenting their work well before the audience, this is the case if Juan; very excited about the topic but can't present it well due to his shy nature.