delegate

ambassadress

attaché, chargé d'affaires, consul, deputy, diplomat, foreign minister, nuncio, procurator, proxy

apostle, evangelist, missionary

deputation, detachment, legation

courier, messenger

mouthpiece, spokesperson

ambassador, diplomat, diplomatist, emissary, foreign minister, legate, plenipotentiary

alternate, backup, pinch hitter, relief, replacement, stand-in, sub, substitute, surrogate, understudy

informer, operative, spy

broker, distributor, manager

arbiter, arbitrator, comprador (or compradore), conciliator, go-between, intercessor, intermediary, interposer, liaison, mediator, middleman, peacemaker

mouthpiece, point man, point person, prophet, speaker, spokesman, spokesperson

assign, charge

appoint, designate, name, nominate

confer, grant

assign, deal (out), dispense, disperse, distribute, divide

hand in, release, relinquish, submit, surrender, turn in, yield

bequeath, hand down, hand on, will

advance, lend, loan

furnish, supply

recommit, redeliver, regive, retransfer, retransmit