This is the 4581st most frequent French word.
mineur
"Mineur" in English means "minor" (underage) or "miner" (worker in a mine).
Here, 'mineur' refers to a 'minor', i.e., a person who is under the legal age of majority.
Il est encore mineur et n'a pas le droit de voter.
He is still a minor and does not have the right to vote.
In this context, 'mineurs' refers to 'miners', the individuals who extract minerals from mines.
Dans cette région, l'industrie des mineurs est très développée.
In this region, the miners' industry is very developed.
Here, 'mineur' is used as an adjective meaning 'minor', referring to a problem of lesser importance.