Related Clues:

• Kidney-to-spare volunteer
• Man about town
• O, often
• Soccer, for one
• One who isn't greedy
• Patron of the arts
• Decent chap
• Accommodating person
• Cross-matching subject
• Blood drive attendee
• Giving sort
• One with a heart on her license
• Blood-drive contributor
• Recreational activity
• Wear out?