third party

See also: third-party

English

third party (plural third parties)

(business, commerce) Someone not directly involved in a transaction; an entity beyond the seller (first party) and customer (second party).
A seller may employ a third party to perform specific services to augment the value of a product, such as packing and distribution.
(law) Someone only incidentally or tangentially connected to an incident or dispute; someone other than the principals; a bystander or independent witness.
(politics, chiefly US) A political party in opposition to the main parties in a two-party system.
- 2010, Duncan Watts, Dictionary of American Government and Politics, →ISBN, page 177:
  Those who belong to the Libertarian Party serve a much larger pro-liberty community and have the specific mission of electing libertarians to public office. They traditionally billed themselves as 'America's largest third party'.

someone not directly involved in a transaction.

Chinese:
Mandarin: 第三方 (zh) (dì-sān fāng), 第三者 (zh) (dì-sānzhě)
Czech: třetí strana f
Danish: tredjepart c
Dutch: derde partij f
Finnish: kolmas osapuoli, kolmas henkilö, kolmas (fi); ulkopuolinen (fi)
French: tiers (fr) m (rare: tierce partie (fr) f)
Georgian: მესამე მხარე (mesame mxare), მესამე პირი (mesame ṗiri)
German: Dritte (de) pl
Hungarian: harmadik/kívülálló fél
Italian: terzo (it) m, terza parte f
Japanese: 第三者 (ja) (daisansha)
Korean: 제삼자 (ko) (jesamja)
Macedonian: трето лице n (treto lice)
Norwegian: tredjeperson m
Bokmål: tredjemann m, tredjepart m
Nynorsk: tredjemann m, tredjepart m
Persian: شخص ثالث‎ (shaks-e sales)
Polish: osoba trzecia f
Portuguese: terceiros m
Romanian: a treia persoană f
Russian: тре́тье лицо́ (ru) n (trétʹje licó)
Sicilian: terzu (scn) m, terza parti f
Spanish: tercero (es) m
Swedish: tredje part (sv) c, tredje man (sv) c
Thai: บุคคลภายนอก (bùk-kon-paai-nɔ̂ɔk)
Turkish: üçüncü kişi (tr), üçüncü şahıs

a political party in opposition to the main parties in a two-party system