Avoid eye contact with those who you believe could misinterpret it as a challenge, or as an invitation into your space. Typically, perpetrators of violence do not expect us to verbalize any distrust of them. A variety of verbal strategies can help send a message that you are not easily intimidated. A neutral glance in the direction of a threat can send the same message. Deception and distraction can buy some time or create an opening for escape.
Negotiation can alter a perpetrator's demands or create an opening for escape.
Naming the offensive behavior can communicate that we recognize bad intent. Yelling can send a message that we are not an easy target, and can attract attention.