three persons; three parties
Refers to three people or three groups/parties, often used in formal, legal, or news contexts such as 三者会談 (three-party talks) or 三者面談 (three-way meeting).
We discussed career paths in a three-way meeting.
The three parties discussed it together and decided on a solution.
An agreement was reached by the three parties.
The contract was concluded with the agreement of all three parties.
The opinions of the three parties were in agreement.
三者 refers to three people or parties, whereas 両者 (same formal register) refers to only two.
三者 and 三社 are pronounced identically (さんしゃ), but 三者 means three people/parties while 三社 means three companies or shrines.
third party; outsider; disinterested person
striking out three consecutive batters
three-party talks; tripartite meeting
three up, three down; out in 1-2-3 order
three-way confrontation; triangular rivalry
Compound of 三 (three) and 者 (person/party).
three-way calling feature