A charity worker is a person who works for a non-profit organization and devotes their time and energy to helping those in need. There are several synonyms for the term "charity worker" that can be used interchangeably. These include philanthropist, volunteer, humanitarian, aid worker, benefactor, donor, and supporter. Each of these terms has its own unique connotations and nuances, but they all share the common goal of improving the lives of those who are less fortunate. Whether they are providing food, shelter, education, or medical care, charity workers play a critical role in making the world a better place.