night-watchman

noun
  1. 1

    Prior to police forces, a person appointed by a town or city to walk the streets at night and guard the burghers from felons and robbers.

  2. 2

    A person who guards (usually at a building) at night.

  3. 3

    The last batsman in a three or five day game to play on a particular day and thus carry over the batting to the following day.

Source: https://en.wiktionary.org/wiki/night%20watchman, https://en.wiktionary.org/wiki/night-watchman