Eph.4.12

to train Christians in skilled servant work, working within Christ's body, the church,

Eph.4.12

to prepare God's people for works of service, so that the body of Christ may be built up

Eph.4.12

for the equipping of the saints for the work of ministry, for the edifying of the body of Christ,

Eph.4.12

Their responsibility is to equip God's people to do his work and build up the church, the body of Christ,