To answers this question I would say yes this can happen .as imperfect people ,people make wrong steps, and they can be part of the problem instead of being a help.
I knew a teacher that gave her a student privileges. She gave the student the opportunity to deliver notices or take things to the office ,this was in a high school setting, what happen was the other students in the class was getting resentful started to bully the A student,
So a day the teacher was absent they purposely started a fight with the A student and rough neck bully. Sad outcome both were suspended for fighting but what was a little disappointing was that the teacher did not support the story of the student she sent on errands.