1. a person who assigns tasks to others and demands that they work hard
2. a person who is very strict or demanding about work or duties

Examples

• The coach was known as a tough taskmaster who pushed his players to excel.
• She proved to be an effective taskmaster, ensuring all projects were completed on time.
• My boss is a real taskmaster who expects perfection from everyone.
• The drill sergeant was a relentless taskmaster during basic training.
• He became his own taskmaster, setting strict daily goals for himself.
• The teacher was a fair but demanding taskmaster in the classroom.