OK, here's the list of suggestions from Conchlers, some of which I received
privately. Special thanks to Bob Nuelle for providing definitions for most
of them. Where do *you* stand?

Advanced collector
Aesthetic collector
Ancillary collector
Amateur
Beginner
Casual collector
Collector
Conchologist
Curator
Dealer
Enthusiast
Evangelist*
Flying pig
Keeper**
Malacologist
Masochist***
Neophyte
Pre-professional
Private collector
Professional
Registered collector
Semi-professional
Serious collector, stages 1 to 3
Shell collector
Xenophora****

*Someone who is in the stage of dispersing their collection to encourage
others.
**British term for "curator".
***Spouse of collector.
****The carrier snail, which collects shells. Surely this should be our
mascot??

And a number of people who said they just prefer to be called Tim, Lori,
Dad, Ep-Man, etc.

Andrew K. Rindsberg
Geological Survey of Alabama