1. A group of people who work together without payment or legal obligation, driven by personal motivation or charitable purposes
The voluntary team cleaned up the local park on Saturday morning.
A equipe voluntária limpou o parque local no sábado pela manhã.
2. An organized group of unpaid workers dedicated to a specific cause, project, or community service
A voluntary team of healthcare workers provided free medical services to underserved communities.
Uma equipe voluntária de profissionais de saúde forneceu serviços médicos gratuitos para comunidades carentes.