partner
US /ˈpɑːrt.nɚ/
UK /ˈpɑːrt.nɚ/

1.
socio, compañero
a person who takes part in an undertaking with another or others, especially in a business or company with shared risks and profits
:
•
She became a junior partner in the law firm.
Se convirtió en socia junior en el bufete de abogados.
•
They formed a business partnership.
Formaron una sociedad comercial.
2.
pareja, cónyuge
either of a pair of people who are married or in a romantic relationship
:
•
My partner and I are planning a trip to Italy.
Mi pareja y yo estamos planeando un viaje a Italia.
•
They have been life partners for over 20 years.
Han sido parejas de vida por más de 20 años.
1.
asociarse, colaborar
to be the partner of (someone)
:
•
He will partner her in the dance competition.
Él la acompañará en la competición de baile.
•
The two companies decided to partner on the new project.
Las dos empresas decidieron asociarse en el nuevo proyecto.