敢然かんぜん
kanzen

Taru Adjective
To-Adverb

1. boldly; bravely; resolutely; determinedly

かみしん、敢然かんぜんてきかった、そのクリスチャンの剣闘けんとうは、たくさんのてきたおした。
kamio shinji kanzento tekini mukatta sono kurisuchanno kentōshiwa takusanno tekio taoshita.
Putting his trust in God and taking the bull by the horns, the Christian gladiator defeated many adversaries.