Peter raised me from the dead. I then went back to serving at the church in Joppa, who am I?

I am Tabitha or Dorcas. I helped the poor chiefly at the Church at Joppa.

Source:

Acts 9:36-41

The Church at Jerusalem managed their money and goods in a unique way.  Specifically what did they do to handle possessions in the church?

The church held all money and also all prosperity in common.  They gave to the apostles who dispensed them as needed.

Source:

Acts 4:32-34

Church deacons started in the 1st century chiefly to assist the apostles. Who choose the deacons?

The people selected church deacons. The apostles then appointed them.

Source:

Acts 6:3