The member of the partnership who first bid the denomination of the final contract.
![](https://bernardmageebridge.com/wp-content/uploads/2021/11/image-71.png)
In the first auction, West, who bids spades before East, becomes declarer.
In the second auction, West again becomes declarer. South is an opponent and so his 2♣ bid has no significance in determining the eventual declarer.