She is seen to be a calm and hyper person, as seen when she suddenly jumps when Haruhiro enters her guild. She is also strict when providing training to her students. She often makes jokes about Haruhiro's love life and how he wouldn't choose between the two girls of the group (making another joke about Haruhiro possibly being gay)
Barbara is a curvaceous and well-endowed woman. Like many other thieves she wears little armor. She wears more revealing clothing compared to what Haruhiro wears as a thief.
Haruhiro - As her student she is seen being strict while training Haruhiro.