Pelagian

Webster's Condensed Dictionary- A Condensed Dictionary of the English Language · 1909 · p. 430

pe-la'jl-an, n. (JEccl. Hist.) A follower of Pelagius, a monk of the 4th cent, who denied the received doctrines in respect to original sin, free will, grace, and the merit of good works. — Pela'- giani3m, -izm, v. The doctrines of Pelagius.