Final answer:
Aven played the role of the protagonist in Luke's play, Desert Moon over the Desert.
Step-by-step explanation:
In Luke's play, Desert Moon over the Desert, Aven played the role of the protagonist. The protagonist is the main character in a story and is typically involved in the central conflict or problem of the plot.
Aven's role in the play would have been significant and would have had a major impact on the overall storyline.