manifestant

[ man-uh-fes-tuh nt ]
/ ˌmæn əˈfɛs tənt /

noun

a person who initiates or participates in a public demonstration; demonstrator.

Origin of manifestant

1875–80; < Latin manifestant- (stem of manifestāns), present participle of manifestāre to manifest; see -ant
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019