This is the 6923rd most frequent French word.
légion
A large group of soldiers or a multitude.
In this sentence, 'légion' refers to a group of people, often military, united under a common purpose.
Les membres de la légion étaient déterminés à atteindre leur objectif.
The members of the legion were determined to achieve their goal.
Here, 'légion' is used metaphorically to denote numerousness or greatness.
Son importance dans la communauté est une légion, reconnue partout.
Her importance in the community is vast, recognized everywhere.
The term 'légion' here specifically refers to the French Foreign Legion, a military unit.