lonedonor
nounUK /ˈləʊnˌdəʊnə/
US /ˈloʊnˌdoʊnər/
A person who gives something all by themselves without any help from others.
The lonedonor gave a whole box of books to the school library.
RELATED WORDS
OTHER MEANINGS
2. A single person who provides blood or an organ for someone who needs it.
The hospital thanked the lonedonor who gave blood on a quiet Sunday.
3. The only person or group paying for something, like a prize or a party.
She was the lonedonor for the class pizza party.
4. A person who gives money to a cause without anyone else joining in.
The lonedonor quietly paid for the new playground slide.