THESAURUS
acolyte, acolytus, cerberus, concierge, deacon, diaconus, doorman, exorcist, exorcista, gatekeeper, holy orders, janitor, lector, major orders, minor orders, ostiarius, ostiary, porter, presbyter, priest, reader, receptionist, subdeacon, subdiaconus, usher, warden
ROGET THESAURUS
Stopper
N
stopper, stopple, plug, cork, bung, spike, spill, stopcock, tap, rammer, ram, ramrod, piston, stop-gap, wadding, stuffing, padding, stopping, dossil, pledget, tompion, tourniquet, cover, valve, vent peg, spigot, slide valve, janitor,
doorkeeper, porter, warder, beadle, cerberus, ostiary.