What relationship does bernard have to biff?

Bernard is Biff Loman's childhood friend and neighbor in Arthur Miller's play "Death of a Salesman." Their relationship is characterized by contrasting life paths; while Bernard is diligent and academically successful, Biff struggles with his identity and expectations. Bernard often represents the path of hard work and achievement, highlighting Biff's feelings of inadequacy and disappointment in himself. Their interactions reflect the themes of ambition and the weight of familial expectations in the play.