The phrase "a committed member" is correct and usable in written English.
It can be used to describe someone who is dedicated and loyal to a group, organization, or cause.
Example: "As a committed member of the environmental club, she actively participates in all events and initiatives."
Alternatives: "a dedicated member" or "an engaged member".
Mr. Nur's lawyer Daniel Nobel told the judge that his client had never been a committed member of the conspiracy.
She was also a committed member of the Socialist Workers Party, where much of her energy and passion was put into realizing working-class revolution.
Lomborg, then a committed member of the international environmental organization Greenpeace, read a 1997 magazine interview with Julian Simon, an economist known for his acerbic criticisms of environmentalism.
Commitment is strengthened by participation in group activities with other members and by engaging in actions, individual or collective, that publicly define the individual as a committed member.
Dinko Sakic was born in 1921 and became a committed member of the nationalist organisation Ustasha from a very young age.
Lambert admits that in the 1980s, he "first built a reputation as a committed member of London Greenpeace, a peaceful campaigning group [on environmental issues]".
"Being a truly committed member of a team can be a highly valuable learning experience.
When Pott worked on Wanted On Voyage he thought of himself as being a fully committed member of a band called George Ezra.
By the next election, Britain may have to choose between remaining a fully committed member of the EU and becoming semi-detached.
Townie's happiest moments were those spent at the family home in Penobscot Bay with his friends and many generations of family where he was a deeply committed member of the Island community.
The 20th century was the first in which such a visual history could be undertaken; editorial photography was its medium; and Capa was a fully committed member of international witnesses to their time.
