relief work; relief campaign; rescue movement
Refers to organized efforts to provide aid, often in response to disasters, poverty, or social issues. Can be used for both domestic and international relief activities.
After the earthquake, many volunteers joined the relief work.
He launched a relief campaign for the poor.
救援活動 is a more general term for rescue or relief activities, while 救済運動 often implies a broader, organized movement or campaign.
Compound of 救済 (relief, rescue) and 運動 (movement, campaign). The exact historical derivation is uncertain, but the term follows standard Sino-Japanese word formation patterns.