Galatians 2:9
And when James, Cephas, and John, who seemed to be pillars, perceived the grace that was given to me, they gave to me and Barnabas the right hands of fellowship; that we should go to the heathen, and they to the circumcision.
Torrey's Topical Textbook—AKJV

1 John 1:3,7
That which we have seen and heard declare we to you, that you also may have fellowship with us: and truly our fellowship is with the Father, and with his Son Jesus Christ.
Torrey's Topical Textbook—AKJV