The role of Stella in the term 'A Streetcar Named Desire' is a character in the 1947 play by Tennessee Williams. She is the wife of Stanley Kowalski and the sister-in-law of Blanche DuBois. Stella is a strong-willed woman who is devoted to her husband despite his violent temper. She is also a loving mother to their child. Stella is a complex character who struggles to balance her loyalty to her husband with her own desires.