Sleeping partner British noun phrase UK informal
A partner in a corporation who does not actively participate in its administration, especially one who contributes money.
He formally retired from my company in 2010 despite having been a sleeping partner for nearly 20 years.
My father was the sleeping partner behind many of these successful projects.
Every man will eventually find a suitable woman to be his romantic partner.
Suggest someone or oneself for consideration in a selection, such as a competition, application pool, election, etc.
Kamala Harris is expected to put her name on the hat for the US president.