Where did Dunny showcase his abilities as a teacher for the first time?

In "Fifth Business," Dunny showcases his abilities as a teacher for the first time at the library. This setting represents a pivotal moment in his development, as it is here he harnesses and expresses his passion for sharing knowledge. The library serves as a place of learning and accessibility, allowing Dunny to engage with students and demonstrate his teaching skills in an environment that symbolizes education and literature. By starting his teaching journey in such a significant location, it sets the tone for his ongoing relationship with learning and the influence he has on others throughout the narrative. This context reinforces his character's depth and the theme of education as a critical element in his life and the lives of those around him.