NET
12 to equip the saints for the work of ministry, that is, to build up the body of Christ,
Darby
12 for the perfecting of the saints; with a view to [the] work of [the] ministry, with a view to the edifying of the body of Christ;
KJV
12 For the perfecting of the saints, for the work of the ministry, for the edifying of the body of Christ: