isn't afraid of anyone
Я думал, Том никого не боится.
I thought Tom wasn't afraid of anyone.
Дерсу никого не боится, ни волка, ни кабана, ни медведей!
Dersu isn’t afraid of anyone—not wolves, wild boars, or bears!
— Dersu Uzala (1975)
The father is afraid of no one.
He isn't afraid of anyone.