As a bonus, there is also the word "miracle worker". Miracle Worker is a theatric play, has to do with language and learning. Miracle Maker is a 2015 movie, looks like a shitty one. The words are nice though. As a bonus, here is another word: "the ruiner". Someone calls their child that way lol I guess while we're at it, here is another word / name: Soul Eater. The image of such an individual is below (yes it's a manga).