contributor

noun
C1+
1
C1+
a person who writes articles for a magazine, book or website, or who talks on a radio or television programme or at a meeting
همکار, مقاله‌نویس, نویسنده, مؤلف, همکار رسانه‌ای
2
C1+
a person or thing that provides money or goods to help pay for or support something
اهداکننده, کمک‌کننده, مشارکت‌کننده
Older people are important contributors to the economy.
the largest net contributor to EU funds
3
C1+
something that helps to cause something
عامل, مؤثر
Sulphur dioxide is a pollutant and a major contributor to acid rain.