su compañero

his/her partner

→ su
phrase Common #10,679
his/her partner Su can also mean “their” or formal “your.” Compañero can refer to a partner, colleague, roommate, or companion depending on context.
SP: Mi hermano vive con su compañero de piso.
EN: My brother lives with his roommate.

Tom me presentó a su compañero de habitación.

Tom introduced me to his roommate.

Él le llevó la muestra a su compañero de trabajo.

He took the sample to his co-worker.

Su compañero del ejército, del Departamento Cultural.

His army buddy, from the Cultural Department.

— 三峡好人 (2006)

Muchos lo culpan por el terrible accidente de su compañero en Monza.

Many blame him for his teammate's terrible accident at Monza.

— F1 la película (2025)

Usted pudo escoger a su compañero de nivel.

You were able to choose your partner at the same level.

— El hoyo (2019)

Antes de bajar en la plataforma, mata a su compañero.

Before getting off the platform, he kills his partner.

— El hoyo (2019)

Su compañero Allende tuvo celos de él, y él le cedió el mando a Allende.

His fellow officer Allende was jealous of him, so he handed command over to Allende.

Dígale a su compañero que se mantenga al margen.

Tell your partner to stay out of it.

— Duro de matar (1988)

Según su compañero de piso, está de vacaciones.

According to his roommate, he is on vacation.

¿No puede al menos intentar convencer a su compañero?

Can't you at least try to convince your partner?

— Roma città aperta (1945)

Dio la cara por su compañero cuando todos lo estaban acusando injustamente.

He stood up for his colleague when everyone was unfairly accusing him.

Su compañero de celda lo ha apuñalado.

His cellmate has stabbed him.

— Ofrenda a la tormenta (2020)

Sean y su compañero fueron a ver a Dave Boyle.

Sean and his partner went to see Dave Boyle.

— Río Místico (2003)

El camello no ve su propia joroba sino la de su compañero.

The camel does not see its own hump but that of its companion.

Ella se casó con su compañero de escuela.

She married her schoolmate.

El jorobado no ve su propia joroba sino la de su compañero.

The hunchback doesn’t see his own hump, only his companion’s.

Su compañero de moto.

His motorcycle partner.

— Zootopia 2 (2025)

Esta es la foto que le mostró a su compañero.

This is the photo that he showed his colleague.

— Ghost in the Shell (1995)