Jobs produce money. Money can be exchanged for goods and services. If you find a job with purpose? Cool. If you have a talent that you can turn into cash? Cash fuels your passions.
The idea of a job being your purpose and that job making you happy is only 100, maybe 200 years old. I've been saying here and elsewhere that education needs to help young people figure out their talents and passions and how to best utilize those two components of their personality to build a life. Build meaning with the tools at your disposal.