The phrase "active practitioner" is correct and usable in written English.
It can be used to refer to someone who is actively engaged in the practice of a particular profession, skill, or hobby. For example, "John is an active practitioner of yoga, attending classes three times a week."
He was a vibrant and active practitioner until his death at the age of 88.
He is an active practitioner and thinker in the worlds of digital marketing, experience design, and the social web.
Even so, the Obama administration has been an active practitioner of gunboat diplomacy, a term that refers to achieving foreign-policy objectives through vivid displays of naval might.
He not only was a consultant to the Japanese Hill-and-Pond Garden at the Brooklyn Botanic Garden, but also is an active practitioner who has designed and built numerous other prize-winning public and private gardens in both Japan and the United States.
Danielle is a strong advocate and active practitioner in environmental sustainability, involvement in the local community, and as a connector of people and businesses by working with organizations such as Green Columbus, Glass Axis, Net Impact, and others.
He appears to have been a collector of alchemical writings and a student of alchemy rather than an active practitioner, and refers to himself as a pupil of William Backhouse.
(Of those, the state considers 57,484 to be active practitioners based on payments to legal funds).
By the time you get to foreign correspondents being taken hostage, you find newspapers themselves being active practitioners of concealment.
The step by step guide above was made by Eric Broug, one of the most active practitioners of Islamic geometric design working today.
Mili tancy never appealed to him, even when the mass production unions were its most active practitioners in the sit‐down era 35 years ago.
Would the exclusion of Muslims be limited to active practitioners of the faith or extended to descendants who were only vaguely religious or not religious at all?
