n256 Work is part of the original state of [humankind] and precedes [its] fall; it is therefore not a punishment or curse.
n257 Work has a place of honor because it is a source of riches, or a least of the conditions for a decent life, and is, in principle, an effective instrument against poverty."
Compendium of the Social Doctrine of the Church.
2433: Access to employment and to professions must be open to all without unjust discrimination: men and women, healthy and disabled, natives and immigrants.
2434: A just wage is the legitimate fruit of work. To refuse or withhold it can be a grave injustice. In determing fair pay both the needs and the contributions fo each person must be taken into account.
2435: Recourse to a strike is morally legitimate when it cannot be avoided, or at least when it is necessary to obtain a proportionate benefit. It becomes morally unacceptable when accompanied by violence...
Universal Catechism of the Catholic Church
The Dignity of the Worker