Complex sentence: Meanwhile, Erudite stirs dissent against Abnegation leadership in the city's government, accusing Abnegation's leader, Marcus, of abusing his son, who joined Dauntless two years before.
Split into simpler sentences: Meanwhile, Erudite stirs dissent against Abnegation leadership in the city government. The Erudite's reports accuse Abnegation's leader, Marcus, of abusing his son, who joined Dauntless two years before.