The Collaborative International Dictionary of English v.0.48:
Stander \Stand"er\ (-[~e]r), n. 1. One who stands. [1913 Webster] 2. Same as Standel. [Obs.] --Ascham. [1913 Webster] Staenderat StanderathWordNet (r) 3.0 (2006):
stander n 1: an organism (person or animal) that stands; "a crowd of sitters and standers" [ant: sitter]