The phrase "as intermediary between" is correct and usable in written English.
It can be used when describing a role or function that facilitates communication or interaction between two parties or entities.
Example: "The organization acts as intermediary between the government and the local communities to ensure their voices are heard."
Alternatives: "as a mediator between" or "as a liaison between".
Webern, while deeply religious in a pantheistic sense, was averse to church dogma, rejecting the priest's role as intermediary between God and humanity.
Jibrīl, also spelled Jabrāʾīl, in Islām, the archangel who acts as intermediary between God and man and as bearer of revelation to the prophets, most notably, to Muḥammad.
Together with Stephan Lewandowsky, I've been floating the idea of a trusted "honest broker" who could act as intermediary between those who collected the data and those who want to re-use it.
For the Babylonians also, fire was essential to sacrifice, and all oblations were conveyed to the gods by the fire god Girru-Nusku, whose presence as intermediary between the gods and men was indispensable.
Catholics, in contrast, hold that the relationship between believer and church is almost as important, and that the church, with its dogmas and rituals, acts as intermediary between its members and God.
The Soviets cautioned restraint but clearly favoured India, while U.S. President Nixon sent a carrier task force into the Bay of Bengal and openly favoured Pakistan, influenced by the country's role as intermediary between Washington and Peking.
process is that investment banks act as intermediaries between companies and investors.
On the Nasdaq, "market makers" act as intermediaries between buyers and sellers.
His work uses animals to interpret those forms as intermediaries between the natural and supernatural realms.
Using dancers as intermediaries between the two does much to adjust one speed to the other.
They oversee excavations, operating as intermediaries between local laborers and foreign archeologists.
