Tricksters in various mythologies play crucial roles in shaping societal values by challenging norms and instigating change. They often exhibit cunning and cleverness, exposing the flaws in human behavior while teaching important lessons. Figures like Loki in Norse mythology or Br'er Rabbit in African American folktales illustrate that breaking rules can lead to unexpected advantages. Ultimately, tricksters reveal the nature of deception, resilience, and the transformative power of humor in society.