1 Corinthians 4:13
Being defamed, we intreat: we are made as the filth of the world, and are the offscouring of all things unto this day.
Cross-reference
1 Cor 4:1 calls apostles 'servants of Christ'—contrasting the world's view of them as scum with their true identity.
Lamentations 3:45 uses the same 'scum and garbage' imagery for humiliation—Paul applies it to the apostles' suffering.
Matthew 5:44 commands blessing enemies—Paul lives this out by blessing revilers and entreating slanderers.
Acts 24:5 calls Paul a 'pestilent fellow'—a direct parallel to being viewed as scum and refuse of the world.
Romans 12:14 commands blessing persecutors—Paul's 'when slandered, we entreat' is a direct application of that command.
1 Peter 3:9 instructs not to repay reviling with reviling but bless—Paul's entreating when slandered embodies this.
John 16:2 describes religious persecution as service to God—matching Paul's experience of being treated as scum for Christ.
Acts 21:36 records the crowd shouting 'Away with him!'—the same rejection that makes Paul feel like refuse.
Acts 22:22 shows the crowd rejecting Paul as unfit to live, illustrating the slander and contempt he describes here.