A donor in the context of research refers to an individual, organization, or entity that provides financial or material support for a research project or study. Donors can contribute funds, equipment, materials, or other resources to help researchers conduct their work. Donors may have a vested interest in the outcome of the research or may simply want to support scientific advancement in a particular field. Building relationships with donors and effectively communicating the impact of their contributions is important for securing future support for research endeavors.