mateship

/M EY1 T SH IH0 P/
noun
  1. 1

    The post of mate on a ship; a posting as mate.

  2. 2

    (whaling) A type of contract between ships to cooperate and share the proceeds of an expedition.

  3. 3

    Fellowship; companionship.

  4. 4

    Friendship, particularly between men, such as develops in shared adversity; solidarity.

  5. 5

    A relationship based on mating.

Source: https://en.wiktionary.org/wiki/mateship