solidarity
n. uncountablen. support that people show for each other because they share the same goals or problems. It is the feeling of being part of a group that stands together.
n. unity or agreement of feeling or action, especially among individuals with a common interest; mutual support within a group.
The workers showed solidarity by going on strike together.
Community members organized a food drive in solidarity with the families affected by the local factory closure.
The movement relied on international solidarity to pressure the government into reforming its discriminatory labor laws, demonstrating the power of collective action across borders.
By surface analysis, from English solidary + -ity, or from French solidarité (“solidarity”), from solidaire (“characterized by solidarity”), from Latin solidum (“whole sum”), neuter of solidus (“solid”).
Often used with the preposition 'with' to indicate the group being supported.