Resonance User

Explanation
A resonance user is the term for a person who manipulates or otherwise makes use of resonance. The phrase is used universally among various factions within the series and has become the standard identification for people who use resonance throughout the extended universe.

Each resonance user commands various powers and boasts entirely different abilities, but their powers all draw from the same mechanism, resonance. The ability to resonate with a particular element, object or abstract concept.