spoiler

noun ! Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about spoiler at Wordnik → Where our words come from →

1. A candidate with no chance of winning but who may draw enough votes to prevent one of the leading candidates from winning.
2. Someone who takes spoils or plunder (as in war).
3. Someone who pampers or spoils by excessive indulgence.