BrE informal disapproving刻板的监工；工作特别机械的人 a person who follows the rules of a job exactly, even when this causes problems for other people, or when the rules are not sensible
N-COUNT工作刻板机械的人 If you refer to someone as a jobsworth, you are criticizing them for using the rules connected to their job as an excuse not to be helpful.
jobsworth