Approaching strangers can be difficult or awkward but here's a clear step at least: Step in when it's one of your friends doing the harassing. Let them know th

Approaching strangers can be difficult or awkward but here's a clear step at least: Step in when it's one of your friends doing the harassing. Let them know they're being immature and inappropriate. People respond a lot more when it's someone in their peer group. I'm sure a lot of people have let a lot of stuff like the above slide because "Oh that's just FooBar. He's always like that".