Sermon of Friday prayer is one of the routines performed every week on Friday during the time of dhuhur prayer. It is obliged toward adult males. The sermon and Friday prayer are inseparable because they are already established as a set. The most important thing to consider is the clerk (khotib) expertise in mastering principles and requirements in organising the sermon, so the language is acceptable and understandable by the audience. Therefore, the message and material delivery becomes more effective and efficient.