In the cafe

One lady in the cafe asks the Barista:
— You speak so unusually, you use such interesting words. What is your education?
— Religious scholar.

• Why don't you work in your specialty?
• I work in my specialty. I sell divine coffee.
  https://www.weekendnotes.com/im/009/09/haven-cafe-surry-hills-specialty-coffee-barista1.jpg