A Masbuq is a person who joins the congregational prayer after the Imam has already completed one or more units (Rak'ahs). There are specific rules for a Masbuq to ensure their prayer is valid: they must join the congregation in whatever position the Imam is currently in (bowing, prostrating, etc.), and after the Imam performs the final Salam, the Masbuq must stand up without saying Salam to complete the missed portions of their prayer. The concept of the Masbuq ensures that no one is excluded from the blessings of the congregation, even if they arrive late. A masbuq (one who is preceded) joins the prayer after the Imam has begun. The rules for a masbuq are designed to maintain the unity of the congregation while allowing the latecomer to complete their prayer correctly. When arriving late, the masbuq should immediately make the opening takbir (takbirat al-ihram) and join the Imam in whatever position they are in,standing, bowing, prostrating, or sitting. The masbuq does not need to make up the opening recitation; they simply follow the Imam for the remainder of the prayer. After the Imam's final taslim (saying salam to the right and left), the masbuq stands to complete the rak'at they missed. They should stand immediately after the Imam's salam, without saying salam themselves. The missed rak'at are prayed in the same order as they would have been if joined from the beginning. For example, if a masbuq joins during the second rak'ah of a four-rak'ah prayer, after the Imam's salam they pray three rak'at, but the first of these is actually the first rak'ah (which they missed), and the following two complete the sequence. The masbuq should arrange the rak'at to maintain proper order of recitations and sitting positions. The concept of masbuq demonstrates Islam's emphasis on community,even those who arrive late can benefit from congregational prayer. It also shows the mercy of Islamic law, which provides clear guidance for completing the prayer correctly without disrupting the congregation. The masbuq's reward is for the entire prayer, though some scholars suggest that the reward of congregation is only for the portion prayed with the Imam. Nevertheless, the masbuq still receives the blessing of joining the community. The rules for masbuq are a reminder that perfection in worship is not required; what matters is sincerity and effort within the framework provided by the Shariah.