1. a person who announces or declares something publicly

Examples

• The town crier served as the official proclaimer of royal decrees.
• She became a passionate proclaimer of environmental awareness.
• The minister was known as a proclaimer of social justice.
• He appointed himself the proclaimer of the new company policies.
• The activist served as a proclaimer of workers’ rights.
• The professor was a dedicated proclaimer of scientific truth.