Backer/ˈbækər/ Definition 1 of 2Pro Tip 1/3Financial Support Use 'backer' when referring to someone providing monetary aid to a project or person. The startup secured a backer to fund its new technology. Pro Tip 2/3Political Context 'Backer' often appears in political contexts where supporters fund campaigns. The candidate thanked her backers at the campaign rally. Pro Tip 3/3Not Always Money 'Backer' may also imply moral or logistical support, not just monetary. As an environmental advocate, he was a backer of the new recycling initiative.