Joseph is linked to Musa through his habit of swimming in the afternoon (just as Musa was on the beach the afternoon he was killed). However, he also embodies Meursault in that he is French and of generally bad character. These two factors help Mama to see Joseph’s murder as equivalent to Musa’s, and therefore justified. However, Harun sees these connections as contrived, meaning that the murder seems less like retribution than a “gratuitous,” unprovoked act, as Musa’s murder was.