One prone to stalking in malls. Usually hey stay a store behind their victim to avoid seeming too obviously enthralled.
Jane: OMG, who is that guy following us?
Jill: Who, that guy in Abercrombie and Fitch?
Jane: Yeah! He has been a store behind us for the past three hours!
Jill: O wow. What a total effing
malker!! Let's junk-punch