Pledgers are individuals who make a promise to donate or contribute something to a cause or organization. There are several terms that could be used as synonyms for pledgers such as donors, supporters, contributors, backers, investors, subscribers, benefactors, sponsors, patrons, and endorsers. These terms are all related to supporting a cause or organization in some way, either financially or through other means such as advocacy or promotion. No matter the word used, pledgers play an important role in supporting various initiatives and, without their contributions, many organizations would struggle to achieve their goals.