swabber

noun

1. One who swabs a floor or deck.

   “The master, the swabber, the boatswain, and I, The gunner, and his mate, Lov'd Mall, Meg, and Marian, and Margery, But none of us car'd for Kate: […]”

   “It was the old custom of the sea that they should hail as a liar the man first caught in a lie on a Monday morning and proclaim him thus from the mainmast, and unhappy was the man thus hailed, for thereby he became for a week the ‘‘ship’s liar” and held his place under the swabber.”

2. An instrument for swabbing.

   “Meaningless filler code that shouldn't interact with a person's DNA. […] He pulls a pen-size swabber from his pocket, chrome finished with a needle point on one end, and a pad for swabbing on the other.”

3. A baker's implement for cleaning ovens.
4. (historical)An interior officer on British warships, responsible for seeing that the ship was kept clean.
5. Four privileged cards, formerly used in betting in whist.