This is the 2055th most frequent French word.
mélenchon
"Mélenchon" is a proper noun, referring to Jean-Luc Mélenchon, a French politician.
In this sentence, 'Mélenchon' functions as a proper noun referring to the individual Jean-Luc Mélenchon.
Mélenchon est un homme politique connu en France.
Mélenchon is a well-known politician in France.
Here, 'Mélenchon' is used possessively to indicate ideas associated with Jean-Luc Mélenchon's political beliefs.
Les idées de Mélenchon intéressent beaucoup de jeunes.
Mélenchon's ideas interest many young individuals.
The term 'Mélenchon' is directly discussing the individual's actions and role during a political debate.