contributor

Universal Words noun ~ (to sth) 1 a person who writes articles for a magazine or a book, or who talks on a radio or television programme or at a meeting: a regular contributor to this magazine 2 a person or a thing that provides money to help pay for sth, or support for a project: Older people are important contributors to the economy. * the largest net contributor to EU funds 3 something that helps to cause sth: Sulphur dioxide is a pollutant and a major contributor to acid rain.