perfecting - The Greek implies correcting in all that is deficient, instructing and completing in number and all parts.
for - a different Greek word; the immediate object. Compare Rom 15:2, “Let every one ... please his neighbor for his good unto edification.”
the ministry - Greek, “ministration”; without the article. The office of the ministry is stated in this verse. The good aimed at in respect to the Church (Eph 4:13). The way of growth (Eph 4:14-16).
edifying - that is, building up as the temple of the Holy Ghost.