Volunteer

n.kind, energeticeveryday

What it means

A person who freely gives time or effort to a service without being required to do so.

Reach for it when naming someone who chooses to help, usually without pay

A volunteer spent Saturday translating the evacuation guide into three community languages.

playful
do-gooder
when affectionate teasing is clearly welcome
not when Do-gooder is often dismissive or sarcastic and can insult the person being thanked.
everyday
crew member
when belonging to the working group matters more than pay status
not when Crew member can be paid and says nothing about freely offered service.
warm
helper
when the role is informal and the practical assistance matters most
not when The label leaves voluntary or unpaid status unknown.
warm
supporter
when backing a cause is more important than the specific task
not when A supporter may only endorse or donate and never volunteer time.
professional
community worker
when practical service in a neighborhood is the focus
not when Community worker often implies paid employment, so it should not silently replace volunteer.
professional
contributor
when time, expertise, money, or material is added to a shared effort
not when A contributor may be paid, donate money, or author material without volunteering time.
professional
participant
when taking part matters without claiming a service role
not when Participants may receive the benefit themselves and need not be helping others.
literary
good Samaritan
when spontaneous help to a stranger deserves moral warmth
not when The phrase has a biblical origin and does not fit organized recurring service.

volunteer coordinator
The volunteer coordinator matched each helper with a task and a safe stopping time.
regular volunteer
As a regular volunteer, Imani knew which residents needed a phone call before deliveries.
dedicated volunteer
The dedicated volunteer documented the route so someone else could take a week off.

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