Why is it important to understand Judas Iscariot's role among the apostles?

Judas Iscariot's inclusion among the chosen apostles serves multiple vital lessons for the church. Firstly, it illustrates that ordination does not guarantee grace or righteousness in a minister. This should humble those in leadership positions and the congregation alike, reminding them that unconverted individuals can even serve in leadership roles. Furthermore, the presence of Judas reveals that the church will always have a mixture of both authentic and false believers, encouraging members to expect imperfection within the visible church. This dual reality calls for watchfulness and reliance on God's grace rather than placing undue trust in human leaders.