The Greek verb thriambeuo refers to leading someone in a triumphal procession — the Roman military triumph in which the victorious general paraded captives through the city. It can mean either to lead in triumph (as a victor with captives) or to cause someone to triumph.
Paul uses this striking image in 2 Corinthians 2:14: 'God always leads us in triumphal procession in Christ.' The image is of apostles as captives in Christ's victory parade — not the triumphant general but the ones he has conquered and now displays. The aroma of Christ spreads through this procession.
Theologically, thriambeuo captures the paradox of the gospel: weakness and captivity to Christ become the vehicle of his glory. Being 'led in triumph' by Christ is not defeat but the greatest honor — God's victory displayed through surrendered lives.