envoy (n.)
- agent
- ambassador
- ambassadress
- attache
- bearer
- carrier
- chancellor
- charge
- commissar
- commissary
- commissionaire
- commissioner
- consul
- councillor
- courier
- delegate
- diplomat
- diplomatist
- emissary
- herald
- internuncio
- legate
- messenger
- minister
- nuncio
- plenipotentiary
- representative
- resident
- secretary