Rape
From Memory Alpha, the free Star Trek reference
Rape is the criminal act of forcibly having a sexual act with a person without their consent.
Evil Kirk attempted to rape Janice Rand. (TOS: "The Enemy Within")
Lars attempted to rape Uhura. (TOS: "The Gamesters of Triskelion")
In 2269, Ensign Pavel Chekov attempted to rape Klingon Science Officer Mara while under the influence of a non-corporeal lifeform that feeds on hatred. (TOS: "Day of the Dove")
Rape gangs were a threat on Turkana IV. (TNG: "Where No One Has Gone Before")
Manua Apgar accused Riker of attempted rape. (TNG: "A Matter of Perspective")
Rape was rife during the Cardassian Occupation of Bajor, especially in the Gallitep labor camp, where women were raped in front of their children. (DS9: "Duet")
The Vori accused the Kradin of rape. (VOY: "Nemesis")
