This rhetorical question is used to scold the Corinthians. Alternate translation: "You should mourn over this instead ... among you!" (See: [[rc://en/ta/man/translate/figs-rquestion]])
This can be stated in active form. Alternate translation: "you can remove from among you the one who did this deed" (See: [[rc://en/ta/man/translate/figs-activepassive]])