intermediary
🇺🇸
/ˌɪntərˈmiːdieri/
🇬🇧
/ˌɪntəˈmiːdiəri/
A person or group that helps two sides talk and agree.
An intermediary helped the two companies agree on the deal.
Helping two sides talk and agree.
She took an intermediary role to help them talk.
Between two places, times, or steps.
The valley is an intermediary zone between the mountains and the plains.