Benvolio is a cousin of Romeo and a friend of the Montague family in William Shakespeare's play 'Romeo and Juliet'. He is a peacemaker who tries to prevent fights between the Capulets and Montagues. The NURSE is a loyal servant to the Capulet family and a confidante to Juliet. She helps Juliet with her relationship with Romeo and arranges for them to be married. Tybalt is Juliet's hot-headed cousin who is determined to avenge any insult to the Capulet family. He is a major antagonist in the play and is ultimately killed by Romeo.