This is the 11690th most frequent French word.
secondeur
A "secondeur" is a supporter or assistant.
In this sentence, 'secondeur' is used as a noun to describe a deputy or right-hand person assisting the leader in responsibilities.
Le manager chercha un bon secondeur pour son équipe.
The manager looked for a good second-in-command for his team.
Here, 'secondeur' is used as an aspect of someone being supportive or assisting in duties generally.
Il est toujours prêt à secondeur lorsqu'il y a trop à faire.
He is always ready to assist when there's too much to do.
In this example, 'secondeuse' is the feminine form of 'secondeur', denoting the role of an assistant or support in a project context.