third party

Definitions

1. Someone not directly involved in a transaction; an entity beyond the seller (first party) and customer (second party).
2. Someone only incidentally or tangentially connected to an incident or dispute; someone other than the principals; a bystander or independent witness.
3. A political party in opposition to the main parties in a two-party system.
   US
4. A person or party not directly involved with an arrangement, in contrast to active parties, characteristically the first party (producer) and second party (consumer).

Equivalents

Examples

“A seller may employ⟳ a third party to perform⟳ specific services to augment the value of a product, such as packing and distribution.”

“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'.”

CEFR level