taskmaster

Noun

1. Someone who supervises workers, especially one who imposes hard or burdensome work.
   • And the Lord said, I have surely seen the affliction of my people which are in Egypt, and have heard their cry by reason of their taskmasters; for I know their sorrows - 1611, The Holy Bible, […] (King James Version),...
2. A source of hard work or responsibility.
   • Everyone knows the enthusiasm is inauthentic and only for show, but artifice and inauthenticity are perfectly adequate for the politicization taskmasters. […] It all looked so easy when the competent were at the helm,...