Related Clues:

• Drive participants
• Angels
• Gift givers
• Bloodmobile visitors
• Generous folks
• Generous types
• Honored alumni, usually
• Need for some drives
• Plasma providers
• Givers
• Patrons of the arts, perhaps
• Unselfish types
• Philanthropists, e.g.
• They give, blood say
• Givers as of blood