Beatrix Monroe  

Bae, Secretary, ベアトリクス・モンロー

The person you're referring to is a human attending the magical academy in ariadne and training to become a mage knight, along with emily sevensheeps partner. it seems likely that beatrix is one of the 67 million residents of the magical world who are pure humans (and therefore able to be saved by kurt godels plan), as demonstrated when her magic was used to harm the demons attacking negis crew during a party hosted by godel.