noun, noun or participle which takes 'suru'
Refers to the act of persistently following, watching, or harassing someone, often with a criminal or obsessive connotation. Used both as a noun and with する to mean 'to stalk'.
彼女はストーキング被害に遭っている。
She is a victim of stalking.
元彼が彼女をストーキングしている。
Her ex-boyfriend is stalking her.