The princess
A fault line inside the court
Princess Frida is a member of Roo's royal family, alongside King Erik and Prince Birger. She is deeply prejudiced against the Arwen and regards them as an inferior people. That belief is not a neutral feature of the world: it shapes the contemptuous way she treats Arwen people around her.
Her attitude matters because Arwen slavery and discrimination are part of Roo's present social order at the same moment that this order is beginning to come under pressure. Free Arwen exist, but many Arwen in Roo are enslaved, and Rooans often use ethnic identity to distinguish themselves from them.
Frida's prejudice is established canon. What she ultimately does, how others respond to her, and whether her views ever change are not established here.
Roo's divided society
Power and prejudice
Roo is ruled by a king, but jarls and clans retain substantial local power. Its society includes free farmers, warriors, merchants, priests and craftsmen — as well as thralls and slaves. The Arwen question therefore reaches beyond personal dislike: it sits inside a larger system of status, captivity and identity.
At the beginning of the present story, that system is being challenged while Jarl Resgar Vasa's rebellion destabilizes royal authority and Roo reconnects with the wider world. Frida enters that changing world with her existing beliefs intact; the canon does not prescribe her future choices.
This record distinguishes established character canon from future story events, which remain intentionally unwritten.