He should know enough about the church doctrinally and administratively to answer the ‘chance’ question that may be asked by a visitor.” Church office hours should be familiar to the usher. Some visitor might want an appointment with the pastor, and immediate availability of the necessary information would be most helpful. If the church operates a bus or buses, the exact schedules should be known. This might involve students and/or children, and the information should be kept in mind at all times