A contributor is someone who adds or gives something to a group or cause. They provide their time, effort, or resources to help in achieving a common goal. Full definition
Again in 2013, we are pleased at the range of methods and discussions and thank the increasing number of contributors for their considerable efforts. (searcharcticscience.org)
He argued that music is a major contributor in winning or losing elections, adding that every political campaign message must be captured in their campaign songs. (ghanapoliticsonline.com)
Selected as key contributor for opening second location based on efficient operations. (jobhero.com)