D defs.my
Entry 2 senses Webster, 1913

Swearer

· Swear·er · IPA
01 n. One who swears; one who calls God to witness for the truth of his declaration.
  1. 1.
    One who swears; one who calls God to witness for the truth of his declaration.
  2. 2.
    A profane person; one who uses profane language.
    “Then the liars and swearers are fools.” Shak.