sectator

from The Collaborative International Dictionary of English v.0.48

Sectator \Sec*ta"tor\, n. [L., fr. sectari, v. intens. fr. sequi
   to follow. See {Sue} to follow.]
   A follower; a disciple; an adherent to a sect. [Obs.] --Sir
   W. Raleigh.
   [1913 Webster]