1. a person who walks in a parade, demonstration, or organized procession
2. a person who walks long distances, especially as exercise or recreation

Examples

• The marchers carried signs demanding equal rights.
• Thousands of marchers filled the streets during the protest.
• Each marcher in the parade wore a colorful costume.
• The experienced marcher completed the 20-mile trek easily.
• Police estimated that over 10,000 marchers participated in the rally.
• The marchers chanted slogans as they walked down Main Street.
• She was an enthusiastic marcher who joined every local demonstration.