Answer: Virtue ethics
Explanation: Virtue ethics explains the role of character or behavior and the exhibition of high moral standard in an individual's dispensation. Virtue ethics preaches the worth and need to for moral uprightness irrespective of duty, obligation or situation. It explains the role of character and Virtue in moral philosophy rather than being bound by principle of obligation, duty or consequence of an action.
In the scenario above, Karena showed Virtue ethics of courage, justice and wisdom in the face of negative consequence of losing her job. She still chose to do what is right.