insouciant
in-sou-ci-ant / ĭn-so͞o-sē-ənt, ăN-so͞o-syäN
adjective 1. unconcerned; without care or worry; nonchalant But in the final set, when the challenger has nothing left to lose, he becomes relaxed again, insouciant, daring. From “Life of Pi” by Yann Martel, 1963 –