Stef Foster is a fictional character from the television series The Fosters. She is portrayed as a strong and caring mother who is dedicated to her family. Stef is a police officer, which reflects her commitment to justice and community service. Her character often navigates the challenges of raising a diverse family, including biological and foster children. In the series, Stef is married to Lena Adams, and together they create a loving home for their children. The show explores themes of family dynamics, love, and acceptance, highlighting Stef's role as a supportive partner and parent.