Blood donation is a selfless act that can save many lives. Blood donors refer to individuals who voluntarily give blood for medical purposes. Synonyms for blood donors are blood givers, blood contributors, blood benefactors, or blood benefactresses. Other synonyms can also be saviors, helpers, or lifesavers, as donating blood can be crucial in emergency situations. Blood givers belong to a group of individuals who donate blood regularly, and their donations help provide a continuous supply of blood for medical and surgical procedures. Blood contributors donate blood on a one-time basis and may not be regular donors. Regardless of the frequency, all blood donors are vital to saving human lives.