Greek
affiliate
associate
bargainer
belonger
brother
business agent
card-carrier
card-carrying member
charter member
clubber
clubman
clubwoman
committeeman
comrade
conventioneer
conventioner
conventionist
dues-paying member
enlistee
enrollee
fellow
fraternity man
guildsman
honorary member
initiate
insider
joiner
labor organizer
life member
member
negotiator
one of us
organizer
pledge
shop steward
sister
socius
sorority girl
sorority woman
trade unionist
union member
union officer
unionist
card player
holder
Solomonic
above-quoted
aningenious
bsnl
detach
expire
filled-out
green-grey
inclosed
local-only
multi-engine
recommendatory
rootkit
self-signed
spur-of-the-moment
unexpired
vpro