1. people who formally withdraw from membership in an organization, political union, or religious group
Usage: plural form of seceder

Examples

• The seceders formed their own independent church after the doctrinal dispute.
• Political seceders argued that the union no longer served their interests.
• The seceders were criticized for abandoning the organization during a crisis.
• Many seceders later regretted their decision to leave the group.
• The conference aimed to reconcile the seceders with the main body.
• Religious seceders established several new denominations in the 19th century.