Philanthropist

n.kind, hopefulformal

What it means

A person who uses substantial private resources to support work intended to improve other people's lives.

Reach for it when naming a sustained giver or funder rather than treating any kind person as a philanthropist

The philanthropist funded five years of training while leaving clinical decisions to local doctors.

everyday
charitable giver
when plain language avoids assumptions about scale
not when The phrase does not capture long-term strategy or institution building.
warm
humanitarian
when work to relieve suffering defines the person
not when A humanitarian may contribute labor or advocacy rather than private wealth.
professional
donor
when giving money, goods, or material is the verified action
not when A donor may make one modest gift and need not be a philanthropist.
professional
funder
when financing a program is the relevant role
not when The functional term says nothing about generosity or public benefit.
professional
sponsor
when support is tied to a named event, person, or program
not when Sponsorship may be commercial promotion rather than philanthropy.
formal
benefactor
when a recipient benefits from someone's financial support
not when Benefactor centers the recipient and may describe one gift rather than a public mission.
literary
patron
when sustained support goes to an artist, institution, or cause
not when Patron can imply influence or custom and is narrower than general philanthropy.

leading philanthropist
A leading philanthropist helped establish the region's first public laboratory.
local philanthropist
The local philanthropist endowed scholarships without selecting the recipients.
philanthropist funded
The philanthropist funded the building but not its annual operations.

The definition and the example on this page are written here. The dictionaries above ground which meaning is being described, not the wording.