This was a message from The Dordrecht Confession of Faith Article 16: Of the Ecclesiastical Ban, or Separation from the Church & Article 17: Of Shunning the Separated
This was a message from The Dordrecht Confession of Faith Article 10: Of the Holy Supper
This was a message from The Dordrecht Confession of Faith Article 9: Of the Election, and Offices of Teachers, Deacons, and Deaconesses, in the Church