MC
advocate
agent
alter ego
alternate
amicus curiae
attorney
attorney-at-law
backup
backup man
bailiff
barrister
barrister-at-law
butler
champion
counsel
counselor
counselor-at-law
croupier
curator
custodian
deputy
dummy
emcee
executive officer
exponent
factor
figurehead
friend at court
guardian
housekeeper
intercessor
landreeve
lawyer
legal adviser
legal counselor
legal expert
legal practitioner
legalist
librarian
lieutenant
locum
locum tenens
majordomo
master of ceremonies
mouthpiece
paranymph
pinch hitter
pleader
assertor
assessor
attorney-general
commissary
definitor
fifer
gluteus
judge advocate
labi
legate
paymaster
pontifex
provost marshal
secretary-general
theyperform
treasurer