Antonyms for the term "card-carrying member" can be those who are not affiliated or associated with any group or organization. These individuals may be described as independent or unaffiliated. It represents someone who does not subscribe to group identity or membership. A possible antonym for "card-carrying member" could also be a "lone wolf," which refers to someone who prefers to accomplish tasks or goals independently instead of relying on a group or organization. Another alternative could be "nonconformist," someone who does not follow established norms, rules, or standards set by a group or society. Thus, it is possible to identify many antonyms to "card-carrying member," depending on the context, perspective, or reference used.