They frequently harass their victims by contacting their friends, colleagues, online contacts, etc., to either defame them or to gain pertinent information about their personal and professional lives.

他们通过不断的联系他们的朋友，同学，在线联系人等等或是诽谤他们或者是获取他们个人和职业生涯相关的信息，给受害者造成麻烦。