Leaders follow the process indicated in this text. He or she is first a Witness to the Peoples, then a Leader and Commander for the peoples.
A Practical Example - https://www.amazon.com/Ministry-Deaconess-Care/dp/153771273X/ref=asc_df_153771273X/?tag=hyprod-20&linkCode=df0&hvadid=312281483245&hvpos=&hvnetw=g&hvrand=2188108331498699354&hvpone=&hvptwo=&hvqmt=&hvdev=c&hvdvcmdl=&hvlocint=&hvlocphy=9008495&hvtargid=pla-570552455650&psc=1