Overseers - Spiritual Authority (accountability)
Elders - Spiritual Maturity (responsibility)
Shepherds - Spiritual Capacity (activity)

Overseers - Work (manner of labour)
Elders - Worth (maturity of life)
Shepherds - Watch (motive of love)
Guides - Walk (methods of leading)
Leaders - Wisdom (means of learning)

Preventing Foe
Providing Food
Encouraging Fruit
Leading the Flock
Looking to the Future