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This interaction between the( MasterCard) settlement and the( Amex) settlement agreement illustrates why Friedman's apparent collaboration with Keila Ravelo is so troubling, friedman's ability to be a zealous advocate for the class was compromised by his collaboration with counsel for MasterCard, an entity with interests divergent to those of the class ; there is reason to be concerned that he was not acting solely in the class's interests when he, teamed with Keila Ravelo, engaged in settlement negotiations and decision-making.