individual donor

noun
UK /ˌɪndɪˈvɪdʒuəl ˈdəʊnə/
US /ˌɪndɪˈvɪdʒuəl ˈdoʊnər/

A person who gives money or things to help others.

The school thanked every individual donor who helped buy new books.


OTHER MEANINGS

2. A single person, rather than a company or group, who gives blood, organs, or tissue.

The hospital matched the organ with an individual donor from another city.

3. A person who gives money directly to a political campaign or cause.

Campaign rules limit how much each individual donor may give.

4. A lone person who provides something valuable, like data or samples, for research.

Each individual donor's blood sample was tested separately.