cooperator
- n an associate in an activity or endeavor or sphere of common interest
- Another noble cooperator, the Marquis Tokugawa of Japan, will chairman a Far Eastern Committee.
- Emerging from a Democratic caucus, Senator Robinsonwho was such an avowed Administration cooperator in December that his followers accused him of "going White House .
- A newer cooperator is Robert Haven Schauffler, author of a standard life of Beethoven.