Possible Clues:

• Perhaps Poirot's man given many tasks
• Poirot's a strong man
• Labour man: he's cruel, unfortunately
• The fellow with right awkward clues — a labouring individual
• God! Imogen's work left in the wrong place
• Roman god: he's cruel, unfortunately
• Poirot's strongman
• Hunk, student captivated by womanly signals?
• Strong man in Lima captivated by womanly signals?
• Hard taskmaster — he's accepted money that must be turned over