Affreux

As one Belgian journalist wrote: The affreux ["frightful ones"] are outstanding in combat.

Source: wiktionary

I could no longer find anything affected in that long smooth white face but an extreme kindness and a sort of obstinate candour; Vian was as Herv in his detestation of the affreux [the frightful ones] as in loving what he loved.

Source: wiktionary

These were mostly, but not exclusively, members of the Baluba tribe and had fled the persecution of Munongo's mercenary affreux and their black rank-and-file.

Source: wiktionary

It takes a rather wilful ignorance to refuse to recognize the essential difference between, say, the affreux of mid-twentieth-century Africa and the Royal Gurkha Rifles, though both could loosely be described as mercenaries.

Source: wiktionary