The title is ironic. No one is "faithful" to the laws of Gilead; they are only faithful to their own survival and desires.
Up to this point, Nick is a shadow. In this episode, his "depth" is literally stripped bare. [S1E5] Del
This episode of The Handmaid’s Tale , "Faithful," is often referred to by the name of the household chauffeur, Nick Blaine (whose real name is revealed as Nick, but the "Del" in your query refers to the episode's production code or specific focus on the icate balance of power). The title is ironic
📍 This episode marks the end of June as a passive victim. By the final frame, her secret relationship with Nick becomes her primary source of strength—and her greatest liability. In this episode, his "depth" is literally stripped bare
By orchestrating the encounter between Nick and June, Serena breaks the very laws she helped write.