Hebrews_12:24 And to Jesus the mediator of the new covenant, and to the blood of sprinkling, that speaketh better things than that of Abel.
The bible did let us know who is the attorney between God and man.
Although the bible didn’t use the term attorney, it used a term that has a similar purpose.
1Timothy_2:5 For there is one God, and one mediator between God and men, the man Christ Jesus;
In this verse we’ve seen who is our mediator and that is Jesus Christ.
He is the only qualified mediator because He is both a God and a man. He understands the side of God and he feels the difficulties and struggles of men.
Hebrews_9:15 Therefore he is the mediator of a new covenant, so that those who are called may receive the promised eternal inheritance, since a death has occurred that redeems them from the transgressions committed under the first covenant.
We’ve seen in this verse that Christ is the mediator of the new covenant, the covenant that we are living in. In this covenant there is a promise of salvation, eternal inheritance and redemption from sin.
He was able to do that because of the sacrifice that he suffered for humanity.