A gathering or social event located towards the back or in a less prominent position.

A backup or supporting group in a military or strategic context.

बैकअप या सहायक समूह

English Usage: The generals decided to send the rear party to support the front lines.

Hindi Usage: जनरलों ने अग्रिम पंक्तियों का समर्थन करने के लिए बैकअप समूह भेजने का निर्णय लिया।