Possible Clues:

• That's teasing for people between one rise and the next
• One causes pain, getting fellows stuck between a rock and a hard place
• 'The person whose instructress and — she was' (Ouida, The Massarenes)
• One causing anguish to Queen needs counsellor
• To Rex, trusted adviser is a bully
• Troll chaps found in Twin Peaks
• One causes hurt, getting soldiers trapped between two hills
• Scourge of people between rock and hard place
• The Hill is trying to get the best out of the team by making others suffer
• Bully for the people behind The Hill forming the basis for a lawsuit briefly