cardbearer

plural cardbearers

1. One who holds a membership card.

   I did not see any difficulty in belonging to both, and I was a cardbearer in the Party before I could be sure of becoming a Catholic for good.

   1993, Veronica Namoyo Le Goulard, A Memory for Wonders, page 119

   1 more example

   These cards were, therefore, a representation to the merchants (third parties) to whom they were presented that defendants' husbands (second parties — cardbearers) were authorized to make charges upon the defendants' (first parties) accounts.

   1987, Steve H. Nickles, Materials for understanding credit and payment systems, page 826