Correction: this isn't always true, or even perhaps true in the majority > of cases. There are many, many cases of stalking where the stalker wants > to have an effect on the stalkee: you see this in disgruntled-ex stalking, > and you see it in celebrity stalking too. So your definition is a little > off.

Having said that, I should also say that stalking is a horrible crime, and > calling someone a stalker is some serious fightin' words -- like, say, > calling someone a terrorist. IOW, it's not a term to be tossed around > lightly or casually applied to any-ol'-body who disagrees with you.