practitioner
Definitions
A person actively engaged in an art, discipline, or profession, especially medicine or law.
Someone who regularly performs or follows a particular activity, custom, or religious practice.
Examples
The experienced practitioner provided a detailed explanation of the treatment plan.
As a dedicated practitioner of yoga, she practices mindfulness every single morning.
Synonyms
professional expert specialist operator clinician worker practicing member
Antonyms
amateur novice layperson beginner dilettante nonprofessional tyro