One who defeats or conquers another.

A person who overcomes challenges or adversaries.

जो चुनौतियों या प्रतिकूलताओं पर काबू पाता है

English Usage: The vanquisher of his fears became a motivational speaker.

Hindi Usage: अपनी डर के vanquisher एक प्रेरक वक्ता बन गया।