D defs.my
Entry 2 senses Webster, 1913

Seeker

/sēk'-ẽr/ · Seek·er · IPA /ˈsikɚ/
01 n. One who seeks; that which is used in seeking or searching.
  1. 1.
    One who seeks; that which is used in seeking or searching.
  2. 2.
    One of a small heterogeneous sect of the 17th century, in Great Britain, who professed to be seeking the true church, ministry, and sacraments.(Eccl.)
    “A skeptic [is] ever seeking and never finds, like our new upstart sect of Seekers.” — Bullokar.