Adjective
Enrolled as a member of an organization, and having a card to prove it; loyal to that organization or the cause it supports.
(by extension) Loyal and dedicated to some cause.
Official.
Source: en.wiktionary.orgcard carrying
I am a 100 percent, dyed-in-the-wool, card-carrying believer in the dream. Yolanda King
I am as non-accepting of medical quackery and unscientific approaches as anybody else. I've grown up as a card-carrying scientist, and I know the power of science to answer questions, and for many questions I don't know of anything better than scientific approaches to answer them. Dean Ornish
And frankly, I don't understand - I mean, I'm obviously a card-carrying Democrat - but I can't understand why any woman would want to vote for Mitt Romney, except maybe Mrs. Romney. Madeleine Albright
I'm not a Buddhist, or a card-carrying member of any religion. Matt Dillon
As a card-carrying member of the Brotherhood of Evil Mutants, Destiny is an interesting prospect for becoming a hero. Source: Internet
“Although he is a card-carrying astrophysicist with a long list of scientific papers in publications like Astrophysical Journal, Tyson has turned himself into a rock-star scientist. Source: Internet