1. An action or gesture performed in support of or sympathy with a person, group, or cause, typically involving collective participation or mutual aid
The workers organized a strike as an act of solidarity with their dismissed colleagues.
Os trabalhadores organizaram uma greve como um ato solidário com seus colegas demitidos.
2. A demonstration of unity or joint responsibility, often in response to injustice or hardship
The community organized a fundraiser as an act of solidarity with the flood victims.
A comunidade organizou uma arrecadação de fundos como um ato solidário com as vítimas das enchentes.