groper, sexual molester
あそこは痴漢がよく出没する公園だ。
That park is a place where gropers often show up.
強盗ではなく、痴漢だった
It wasn't a robbery; it was sexual harassment on public transportation.
— ミスティック・リバー (2003)
痴漢を殺したな
You killed the pervert, didn't you?