Sexual harassment is one of the biggest problems all over the world but mostly it is ignored by both the harassers and the victims. After you have done your research, you can either write a cause essay on the topic (sociological, psychological causes of harassment etc.) or you can write a problem solution essay in which you come up with some solutions to prevent sexual harassment.
Here is some material you can read about the topic
What are the psychological causes and effects of sexual harassment?
Why is sexual harassment still an issue and why do so many get away with it? https://www.fastcompany.com/3032291/strong-female-lead/why-sexual-harassment-is-still-an-issue-and-why-so-many-get-away-with-it
Stop Sexual Harassment: From the Boardroom to the Bedroom
Sexual Assault and Cultural Norms
Here is a TV program for you to watch
Insight (S2015 Ep13) – Sexual Harassment
(Prepared by Yasemin GÖK)