Theology Tuesday: What are Elders & Deacons?

Missionary Paul Washer said:

As our culture collapses under the weight of godless leadership, let the church arise upon the strength of godly men who speak the truth!

In the local church, the Bible specifically names deacons and pastor-elder-teachers to lead the church (1 Tim. 3; Acts 6; Titus 1, etc.)  What exactly are these groups? What are they meant to do?

We answered this question a couple of years ago and will be useful to you: