How to Say "witness" in Spanish
The most common Spanish word for “witness” is “testigo” — use 'testigo' when referring to someone who personally saw an event, especially in legal or everyday contexts.
testigo
tes-TEE-gohtesˈti.ɣo

Examples
Necesitamos encontrar al único testigo del accidente.
We need to find the only witness to the accident.
La testigo describió exactamente lo que vio en la calle.
The witness described exactly what she saw in the street.
Fuiste testigo de todo, ¿qué ocurrió realmente?
You were a witness to everything, what really happened?
Gender Flexibility
Even though 'testigo' ends in 'o', it can refer to both a man and a woman. You change the article: 'el testigo' (the male witness) or 'la testigo' (the female witness).
Confusing Noun Gender
Mistake: “Using 'la testiga' for a female witness.”
Correction: While 'testiga' exists, the most common and accepted form, especially in formal settings, is 'la testigo'. Treat it like a noun that keeps its form regardless of gender.
observador
ob-ser-ba-DORobseɾβaˈðoɾ

Examples
El observador de la ONU llegó para supervisar las elecciones.
The UN observer arrived to oversee the elections.
Desde mi posición como observador, vi todo lo que pasó.
From my position as an observer, I saw everything that happened.
Los científicos necesitan ser buenos observadores de la naturaleza.
Scientists need to be good observers of nature.
Noun Genders
Use 'el observador' for a male and 'la observadora' for a female.
Observer vs. Watcher
Mistake: “Soy un observador de televisión.”
Correction: Soy un espectador de televisión. Use 'observador' for someone monitoring or studying something, use 'espectador' for someone watching a show.
mártir
MAR-teerˈmaɾtiɾ

Examples
San Esteban es considerado el primer mártir cristiano.
Saint Stephen is considered the first Christian martyr.
Muchos lo ven como un mártir de la libertad de expresión.
Many see him as a martyr for freedom of expression.
La historia está llena de mártires que lucharon por la justicia.
History is full of martyrs who fought for justice.
One Word, Two Genders
The word 'mártir' doesn't change its ending for men or women. Use 'el mártir' for a man and 'la mártir' for a woman.
Where to put the stress
This word has an accent mark on the 'á' because it ends in 'r' but the stress is on the second-to-last syllable.
Don't say 'mártira'
Mistake: “La mártira murió por sus ideas.”
Correction: La mártir murió por sus ideas. (Spanish doesn't add an 'a' to this word for women.)
Testigo vs. Observador
Related Translations
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