Question:
What is wrong with having a pastor?

Answer:
We are told in Ephesians 4:11, 12 that Christ “gave some, apostles; and some, prophets; and some evangelists; and some, pastors and teachers; for the perfecting of the saints, for the work of the ministry, for the edifying of the body of Christ.”

Who gives pastors? Christ since His resurrection gives gifts to men (v.8). So a pastor is a gift that Christ gives to a few of His people. A pastor is someone who shepherds or cares for God’s people. It is largely a private work, one-on-one. But Scripture never speaks of “a pastor,” (one pastor) of a congregation or assembly. It always speaks of “pastors” (plural), more than one for each assembly.
Having a pastor over a congregation hinders the priesthood of all believers in Christ to participate in worship and ministry of the Word. First Peter 2:5 and 9 says that all believers are part of a “holy priesthood” to offer up sacrifices to God, and a “royal priesthood” to show Christ to all mankind. Each born-again Christian, not just a select few, is a priest to show Christ to God and to man.
The Scriptures give no man, or group of men the authority to set up a person to be a pastor over a congregation. According to the Scriptures, a pastor is one of the gifts that Christ alone can give. And He gives the gift of a pastor to more than one of His saints in an assembly for the good of all. The gift of a pastor is only one of the many gifts that Christ gives to His assembly.Even though a person is selected by men to be the pastor of a congregation, that person can only use the gifts God has given to him. If he has the gift of the evangelist, souls will be saved. If the gift of a teacher, souls will be fed, if the gift of a pastor, souls will be cared for, but no man has all the gifts, and so everyone in a congregation will be lacking what the Lord desires for each assembly of God’s people, if one man is asked to do everything.