He is our go-between. Jesus has declared us to be a holy priesthood, and we are to talk to the Father about people represent people before the Father. It is a position. The intercessor positions himself between two parties, one with a need and the other with an answer and seeks to bring the two together. It is a meeting with.
Intercession creates a meeting.
We meet with God to ask Him to meet with someone else. Meet with them in conviction, power, presence, in provision, etc. This is why we have prayer meetings. It is a boundary. We establish boundaries of protection through prayer.