I think that working as a nurse is very hard, because you have a lot of responsability. Working as a builder is really low-paid
To be an administrative assistant can be very boring.
Working as an architect is really stressful, you have to do a lot of meetings with the clients.
Barman is an exciting job, depending on what bar you work in.
Teacher is tiring because you have to control the students.
Working as a pilot is amazing: you can travel everywhere for free!