Who is link from the book warriors don't cry?

In "Warriors Don't Cry," Link is a white student at Little Rock Central High School who becomes a supportive ally to the African American students, particularly Melba Pattillo Beals, one of the Little Rock Nine. He struggles with the racism prevalent in his community and ultimately decides to stand up against it, helping to protect Melba from the hostility she faces. Link's character represents the possibility of solidarity and friendship across racial divides during a turbulent time in American history.