Answer:
If these people and organizations give out money to companies and businesses in exchange for nothing, they are called donors, because they do not ask for anything in exchange for this money. The do this out of altruism or charity.
In these people and organizations give out money to businesses in exchange for something, perhaps interest or dividends, then, they are called investors, because they are investing money in the company in order to obtain a return in the short term or in the long term.
