Possible Clues:

• Try twisting worker, as terrible boss?
• Try to get to the insect and oppress it
• Monocrat
• Try to have the first of nine across at last in a bullying manner
• Stern ruler of 20 gutted by intemperate speech
• The one that's dictating may try to get over the insect
• Harsh and absolute ruler
• An oppressive ruler
• Oppressive and cruel ruler
• Autocrat, despot