I suggest you to consider reading the attached papers. Both of them described scales developed to assess bullying considering 2 factors: bullying aggression and bullying victimization. Previous findings indicate that it seems appropriate to differentiate these two patterns of bullying behavior. Reasonable psychometric properties are reported for both questionnaires.
Kind regards,
Natan
Article Demographic Differences in the Prevalence, Co-Occurrence, an...
Article An analysis of the Revised Olweus Bully/Victim Questionnaire...