We assume people know what we mean when we tell someone to act professionally. However, we all know what happens when we make assumptions.
I thought to be clear I’d start with the Merriam-Webster definition of professional:
1 a : of, relating to, or characteristic of a profession
b : engaged in one of the learned professions
c (1) : characterized by or conforming to the technical or ethical standards of a profession (2) : exhibiting a courteous, conscientious, an