Final answer:
Paul emphasized a Christian's identity as being like that of humble servants, similar to Peter, James, and John's humility.
Step-by-step explanation:
Paul placed a strong emphasis on a Christian's identity as a servant, likening it to the humility shown by biblical figures. In Scripture, Paul indeed describes others as being humble servants, though the particular individuals Paul would have referenced as exemplars of this virtue in a Christian context would most likely have been early church figures like Peter, James, and John, who were known for their dedication and servitude in the New Testament.