stalker

IPA: stˈɔkɝ

A person who engages in stalking, i.e., quietly approaching animals to be hunted; a tracker or guide in hunting game.
A person who secretly follows someone, sometimes with unlawful intentions.
Any of various devices for removing the stalk from plants during harvesting.
Any bird that walks with a stalking motion.
(obsolete) A kind of fishing net.

Examples of "stalker" in Sentences

The term stalker casts a negative connotation on anyone using social media.
If you knew who I was, the term stalker would seem to be entirely inappropriate.
Maria Dineen, for Oakey, told the court that the label stalker was "rather inappropriate".
Concerning the term stalker* for Damien, my usage of this term is partly based on posts like this* and on his harassment in June.
The love-obsession variety are what most people think of upon hearing the word stalker, since their cases often get the sensational press coverage.