representative

[1]	spokesperson , interpreter , voice
[2]	congressman , agent , deputy , congresswoman , legate , ambassador , (papal) nuncio , spokesman , spokeswoman , proxy , delegate , envoy , emissary , missionary , commissioner , Member of Parliament , MP , Councillor , Congressman , Assemblyman , Assemblywoman
[3]	agent , example , illustration , (travelling) salesman/saleswoman , (Colloq) rep , instance

adj.

[1]	symbolic , typical , characteristic , emblematic , archetypal , evocative , illustrative
[2]	elected , chosen , democratic