What is the duty of such as are rightly baptised?

Answer

It is the duty of those who are rightly baptised to give up themselves to some particular order and Church of Jesus Christ (; ; ), that they may walk in all the commandments and ordinances of the Lord blameless ().

Read the 4 proof texts (KJV)

Acts 2:47: Praising God, and having favour with all the people. And the Lord added to the church daily such as should be saved.
Acts 9:26: And when Saul was come to Jerusalem, he assayed to join himself to the disciples: but they were all afraid of him, and believed not that he was a disciple.
1 Peter 2:5: Ye also, as lively stones, are built up a spiritual house, an holy priesthood, to offer up spiritual sacrifices, acceptable to God by Jesus Christ.
Luke 1:6: And they were both righteous before God, walking in all the commandments and ordinances of the Lord blameless.