[f. CROWD v.1 + -ER1.] One who crowds: see the verb.
1581. J. Bell, Haddons Answ. Osor., 462. A certein old crafty Crowder laden throughly with the Popes Bulles raunged the coastes.
1812. H. & J. Smith, Rej. Addr., xvii. (1873), 161. Contending crowders shout.