Philanthropy

noun an act of conferring a benefit

• The wealthy philanthropist made a generous benefaction to the local hospital.
• The kind donor gave a big benefaction to the school for new equipment.
• The rich dude dropped a fat benefaction on the charity event.
• Her act of kindness was a benefaction to all those in need.

noun a person who freely offers to take part in an enterprise or undertake a task

verb to offer to do something without being forced to do it

• The organization is seeking volunteers to help with the upcoming charity event.
• I decided to volunteer at the local animal shelter on weekends.
• I'm gonna volunteer at the community center to earn some good karma.
• His willingness to volunteer his time showed his true character.

noun A person who works actively to make a positive difference in the world, typically through social or political action.

• The young entrepreneur was recognized as a changemaker in the business community.
• She's always coming up with new ideas and making things happen - a real changemaker.
• That guy is a total changemaker, always shaking things up and getting stuff done.
• In the world of art, the painter was considered a changemaker for introducing a new style of painting.