delegate

[1]	depute , depute , commission , appoint , designate , assign , name , nominate , accredit , authorize , empower , mandate
[2]	assign , designate , give , depute , hand over/on , assign , pass over/on , depute , transfer , entrust , relegate , (Colloq) pass the buck for , (US) buck

[1]	envoy , agent , legate , representative , ambassador , plenipotentiary , minister , emissary , commissioner , (papal) nuncio , (papal) internuncio , spokesperson , spokesman , spokeswoman , go-between