Sleeping partner and Secret partner

Sleeping partner noun - A partner (who usually provides capital) whose association with the enterprise is not public knowledge.

Secret partner and sleeping partner are semantically related in unannounced partner topic. In some cases you can use "Secret partner" instead a noun phrase "Sleeping partner".

Sleeping partner and secret partner are semantically related in unrevealed assistant topic. You can use "Sleeping partner" instead a noun phrase "Secret partner".