The term VILLAIN VANQUISHER is a combination of two words, 'VILLAIN' and 'vanquisher'. The crossword solution for this term is HERO, which is a four-letter word. A HERO is someone who is admired for their courage, outstanding achievements, or noble qualities. A HERO is often seen as a role model and is usually the protagonist in a story. A VILLAIN is an evil character in a story, while a vanquisher is someone who defeats or conquers an enemy. Therefore, a VILLAIN vanquisher is someone who defeats or conquers an evil character.