This is the 372nd most frequent French word.
chacun
"Each one" or "everyone individually."
This usage of 'chacun' highlights the individuality and autonomous decisions of multiples.
Chacun est libre de choisir son chemin.
Each one is free to choose their path.
The word 'chacun' here is a pronoun used to mean 'each person' in the collective sense.
Chacun doit faire un effort collectif.
Each person must make a collective effort.
In this sentence, 'chacun' refers to every individual in a group receiving something singularly.