Perikatharma (περικάθαρμα, G4027) means offscouring, refuse, filth wiped off all around, the scum scraped off — that which is thrown away as worthless. From peri (around) + katharma (refuse from cleansing). Appears only in 1 Corinthians 4:13 where Paul describes apostles as 'the scum of the earth, the garbage of the world.' In Greek culture, the word could also refer to persons sacrificed to appease the gods — outcasts used as scapegoats.
Perikatharma — 'scum scraped off' — is one of the most visceral self-descriptions in Paul's letters. In 1 Corinthians 4:9–13, Paul catalogs the apostolic existence: spectacle, condemned, fools, weak, dishonored, homeless, beaten, reviled, persecuted — and concludes: 'We have become the scum of the earth, the garbage (peripsēma) of the world.' The contrast with the Corinthians' self-satisfaction ('already you have become rich... already you have become kings!') is devastating irony. Paul is not complaining but making a theology of apostolic suffering: the pattern of the cross shapes the life of the messenger. Jesus was treated as perikatharma — the sin-bearer, the curse-taker, the one outside the camp (Hebrews 13:12–13). The apostle's path runs through the same terrain. Far from disqualifying Paul, his status as 'scum' is evidence of authentic gospel ministry: 'We are fools for Christ, but you are so wise in Christ!'