Noun

(en noun)

A person who invests money in order to make a profit.

*{{quote-book, year=1899, author=(Stephen Crane)

, title=, chapter=1 , passage=[…] (it was the town's humour to be always gassing of phantom investors who were likely to come any moment and pay a thousand prices for everything) — “[…] Them rich fellers, they don't make no bad breaks with their money. […]”}}

* {{quote-magazine, date=2013-06-21, author= Chico Harlan

, volume=189, issue=2, page=30, magazine=(The Guardian Weekly) , title= Japan pockets the subsidy … , passage=Across Japan, technology companies and private investors are racing to install devices that until recently they had little interest in: solar panels. Massive solar parks are popping up as part of a rapid build-up that one developer likened to an "explosion."}}

Noun

(en noun)

One who, or that which, s; especially one who backs a person or thing in a contest.