What's the difference between the job of a manager and a worker?

Simple, one gets paid higher & who has some authority. The other just follow orders - those are the workers

manager is someone whose job is to organize and control the work of a business or organization or a part of it - someone whose job is to take care of the business activities of an entertainer

https://www.macmillandictionary.com/dictionary/ame...

Workers work under the directions given by manager.

A manager is a worker but a worker need not be a manager.

The worker's job is to do the thing right.

The manager's job is to do the right thing.

the nnanager is in charge of the worker