1. A gesture, action, or demonstration expressing solidarity, encouragement, or backing for a person, cause, or movement
The community organized an act of support for the affected families.
A comunidade organizou um ato de apoio para as famílias afetadas.
2. A public manifestation or protest showing allegiance to a particular group, ideology, or political position
Thousands participated in an act of support for the new government policy.
Milhares participaram de um ato de apoio à nova política governamental.
3. Any formal or informal action demonstrating assistance or encouragement
His presence at the event was an act of support during difficult times.
Sua presença no evento foi um ato de apoio durante tempos difíceis.