How to Say "third party" in Spanish
The Spanish word for “third party” is “tercero” — B1 level.
English → SpanishB1
nounB1
an unrelated person or entity
Examples
No podemos revelar esa información a un tercero.
We cannot reveal that information to a third party.
Llamaron a una tercera para que mediara en la disputa.
They called a third person (feminine) to mediate the dispute.
Referring to People
When used as a noun, 'tercero' refers to any person or entity outside the main two involved, and it must still match the gender of that person (tercero for a man, tercera for a woman).
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