Upstander (noun): One who speaks, acts and/or intervenes in support of an individual or a group of people being intimidated, bullied or attacked or intimidated, often at great risk to oneself.
“We must ask ourselves: Do I aspire to be human, or am I swept up in the enticing and delicious world of hatred?” -Rachel Goldberg, Mother of Hostage Hersh Goldberg Polin, United Nations Speech, October 24, 2024