ひるむ
怯む
hirumu

Godan Verb (mu)

1. to falter; to flinch (from); to recoil (from); to quail (at); to be intimidated; to feel daunted; to be discouraged; to hesitate

Intransitive
Usually Written in Kana
危険きけんなどにひるまず、彼かれ平気へいきでいる。
kikennadoni hirumazu karewa hēkide iru.
He remains calm in the face of danger.