- "Are you still upset that I stole Jaina from you, Kael?"
- —Arthas Menethil taunting Kael'thas Sunstrider about "stealing" Jaina Proudmoore from him.
A love rival who has taken a step too far. That is to say, the villains who abduct someone's lover/love interest, usually the one of the people they antagonize. It is most often done to coerce the victim into marriage, but it can also happen when the villain takes an hostage. Examples include King Kong, Jennifer Check, and Green Goblin.
A lover stealer can also be an induvidual who has "stolen" the protagonist's love interest from them and begins a relationship with them, much to the chagrin of the hero. Examples of this include Biff Tannen, Arthas Menethil, and Regina George.