Together, evangelists and pastors are equipping the saints, those people whom God has set apart for salvation (Eph 4:12). To equip is to make complete. Ancient Greek writings often used this word to describe the setting of bones after they brake. Paul used the same word at the end of 2 Corinthians, where it is translated, restoration (2Co 13:11). It means to restore something to its original condition, to make it fit for use.
Pastors and evangelists are to equip the saints, preparing them for service in the kingdom. Perhaps it goes without saying, but I’ll say it anyhow. The church’s leadership is preparing the saints for spiritual service so their tools must be spiritual tools. In Galatians 3, Paul rhetorically asks, “Are you so foolish? Having begun by the Spirit, are you now being perfected by the flesh?” (Gal 3:3). The answer is no. Only the Spirit can perfect us, so only spiritual means can be effective in equipping the saints.