Possible Clues:

• Takes smart evasion, seeing demanding employer
• Time with teacher to frame question for difficult employer
• Question Time taking precedence with teacher's demanding boss
• Demanding supervisor marks a test unreasonably
• Teacher after job for demanding employer
• Cook makes tarts for demanding employer
• Teacher after a job for a demanding employer
• Demands inhuman effort from teacher following assignment
• Makes start, sadly, as scourge of workforce?
• Enterprise to get a grip on reputation that it is hard to work for