Final answer:
Bystander intervention is not a factor that contributes to sexual assault, while media portrayals of sexuality, sexist language, and rigid gender roles can contribute to its normalization and perpetuation.
Step-by-step explanation:
The factor that is not a contributor to sexual assault is Bystander intervention. While media portrayals of sexuality, sexist language, and rigid gender roles can contribute to the normalization and perpetuation of sexual assault, bystander intervention seeks to prevent sexual assault by empowering individuals to intervene and help in situations where they witness or suspect potential harm or abuse.