The first option is indirect characterization.
They are not educated, they come from a poor family, and they are more than likely abused.
Nikita is the only witness to see you doing it but she made it up
To prove your innocence you would have to been with other people they would serve as witness saying you didn't do it even when you know you didn't in order to prove your innocence.
I'm not sure if it answers your question
