Contributor

Beitragender

(a person or thing instrumental in the creation or growth of something)

Beitragszahler

(a benefactor; someone who gives to charity or some cause)

Mitarbeiter

(a person who contributes articles to a newspaper, magazine etc)

Mitmacher

(a person or thing instrumental in the creation or growth of something)

Mitwirkender

(a person who backs, supports or champions a cause, activity or institution)

Mitwirkender

(a person or thing instrumental in the creation or growth of something)

Spender

(a benefactor; someone who gives to charity or some cause)

Unterstützer

(a person who backs, supports or champions a cause, activity or institution)