She heals people and help Amina but she helps the villian willingly to get the star on the ceiling. She called herself an accomplice so she already knows the Prince was doing shady things before the dijinn incident. Red head obviously don't really care about her he didn't have to send the monster there while she was.
Awww they missed her so much it really messed them up when she "died". I need aria and her friend to be together. Her disciples feel more like her children then anything else.