donor:
(plural: ‘donors‘; pronunciation: the first ‘o’ is said with an ‘o’ sound as in “toe” and the second ‘o’ is said with an ‘a’ sound as in “about”; the opposite word in meaning of this word “recipient“, “receiver“, etc.)

a donor (L) giving clothes to an organiser (R)
a person who has given (has donated) something to someone, such money or things to a person or an organisation;
a person (or animal) who permits (gives) a part of his/her body to be taken out and put into someone else for medical purpose, e.g. blood donor, kidney donor, etc.;
(in law) a person who gives his/her property by gift, legacy, etc.,

a blood donor donating his blood
Riaz is a regular blood donor with the Green Crescent blood bank which saves hundreds of people.
There are different kinds of donors in the field of medicine: blood donor, kidney donor, eye donor, sperm/egg donor, stem cell donor, etc.
For ethical and security reasons, the identities of donors in most cases, especially in medical cases, are kept secret.
Most donors who donate huge sums of money secretly to religious organisations are those who earn that money by causing misery to others!
Not all organ donors in hospitals donate their organs for free; most of those donors are from poor sections of the society and they sell their organs very cheaply, giving a chance for the hospitals to make more and more money by charging the recipients heavily.

a secret donor donating some money
for a blog post about a donor organisation, please click here,
for an informative article on universal donor, please click here
and
an item of news that shows us how we come across this word in our daily readings, please click here.
