Friendship is tricky in Waiting for Godot, as each character is fundamentally isolated from every other. Relationships teeter between a fear of loneliness and an essential inability to connect. This tension is central to the play. The problems that keep characters apart vary from physical disgust to ego to a fear of others’ suffering.
Because Lucky and Pozzo understand and accept the nature of their positions as slave and master, they have a healthier relationship than Vladimir and Estragon.