taskmaster

IPA: tˈæskmæstɝ

Someone who supervises workers, especially one who imposes hard or burdensome work.
(figuratively) A source of hard work or responsibility.

Examples of "taskmaster" in Sentences

The project manager was known to be a strict taskmaster, always demanding perfection from his team
The strict taskmaster assigned us a list of goals to accomplish by the end of the week
She was a notorious taskmaster, never satisfied with anything less than 100% effort
The taskmaster oversaw every aspect of the project, ensuring that deadlines were met and quality was maintained
The strict taskmaster demanded punctuality and precision from his employees at all times