This is the 8190th most frequent Portuguese word.
sócio
"Partner" or "member" in a business or organization.
Here, 'sócio' refers to a person who holds membership in an organization or club.
Eu me tornei sócio de um clube esportivo.
I became a member of a sports club.
In this context, 'sócio' denotes a business partner in an enterprise.
Ele é meu sócio na empresa.
He is my partner in the company.
Here, 'sócio' is used to describe an associate or partner in a professional context.