The Greek verb diagō means to pass time, spend one's life, or live in a particular manner. It appears in 1 Timothy 2:2, where Paul urges prayer for kings so that we may lead a quiet and peaceful life, and in Titus 3:3, recalling the manner of life before coming to faith in Christ.
Paul's use of diagō in 1 Timothy 2:2 is a political and spiritual statement: the church is to pray for governing authorities so that peaceful, godly living might be possible. This is not passive acceptance of injustice but a recognition that ordered society enables the spread of the gospel. The contrast in Titus 3:3 — 'we once lived in malice and envy' — reminds believers that their manner of life has been radically transformed by grace. How one diagō — how one lives out one's days — is the testimony of faith. The life well-lived is itself a witness.