grievance

noun6

1. •
   Something which causes grief.
2. •
   A complaint or annoyance.
3. •
   A formal complaint, especially in the context of a unionized workplace.

   • If you want the problem fixed, you'll have to file a grievance with the city.
4. •
   A wrong or hardship suffered, which is the grounds of a complaint.

   • November 2 2014, Daniel Taylor, "Sergio Agüero strike wins derby for Manchester City against 10-man United," guardian.co.uk Wayne Rooney spent much of the game remonstrating with Oliver about his own grievances and, in the interest of balance, there were certainly occasions when United had legitimate complaints.
5. •
   Feelings of being wronged; outrage; resentment, bitterness or anger.

   • The issues of harassment and/or bullying was the top common source of grievance, followed by discipline, and then new working practices. — 2005
6. •
   Violation of regulations or objectionable behavior.