It seems like there might be some confusion in your question. If you're asking whether "Earth" refers to a character or entity that derives power and control from a specific emitter for a red lightsaber, there isn't an established character or storyline in the "Star Wars" universe that fits that description.
In the "Star Wars" lore, red lightsabers are typically associated with Sith and other dark-side users, and they usually create their lightsabers using synthetic or corrupted kyber crystals. These crystals are what give lightsabers their distinctive colors, including red. If you're referring to a specific character or story arc, please clarify or provide more details!