In Sinclair Lewis's novel "Elmer Gantry," a character named Street plays a crucial role in the plot by providing financial support to the protagonist, Elmer Gantry. Street's decision to lend Elmer three hundred dollars highlights the themes of ambition and the complexities of human relationships within the narrative.

The exchange between Street and Elmer underscores the tension between moral values and the pursuit of personal success, illustrating how money can influence decisions and relationships in both positive and negative ways. This moment serves as a pivotal point in the development of Elmer's character and his journey through the world of religion and ambition.