Is attendance at Jumu'ah prayer obligatory when led by a person who is a Sunni, innovator, just, or sinful?

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Attendance at Jumu'ah prayer is obligatory regardless of whether the Imam leading it is a Sunni, an innovator (*Mubtadi'),* a just person, or a transgressor (*Fasiq*). This is the position stated by Ahmad. The evidence for this obligation is the general command in the Quran: {When the call is made for prayer on Friday, hasten to the remembrance of Allah and leave off trade} (Quran 62:9). Furthermore, there is the hadith stating, "Whoever intentionally misses it during my life or after me, while there is a just or unjust Imam, due to negligence or denial, may Allah never unite his affairs." The consensus (*Ijma'*) of the Companions (*Sahaba*) also supports this, as Abdullah ibn Umar and others attended it behind the Hajj leader and similar figures without any reported objection.