A man is not called to the pastorate because he has achieved perfection with respect to personal character. In fact, the character requirements listed in 1 Timothy 3 seem remarkable in their unremarkableness:

Pastors are human beings – saved human beings ideally – and as such, they are capable of sinning and by the grace of God, capable of not sinning. Which means that over the course of a human life you are likely to get at least a little bit of both out of the people who exercise leadership in your church. Of course, pastors should be expected to sin less as they grow in Christ, and they should understand that some sins will cause them to be disqualified from leadership, but congregants should understand that all people – including pastors – will battle with remaining sin until they die and see Jesus face to face.