If recipient refers to someone who receives something:
* Sender: The one who gives or transmits something.
* Giver: Someone who gives something, often a gift.
* Donor: Someone who contributes or gives something, often money or blood.
* Provider: Someone who supplies something, often a service.
* Source: The origin or point of origin of something.
If recipient refers to something that receives something:
* Source: Where something originates or is sent from.
* Transmitter: The device or system that sends something.
* Origin: The starting point or place of something.
Example:
* Recipient: "The recipient of the award was thrilled."
* Opposite: "The donor of the award was proud to present it."
To give you a more precise opposite, please provide the sentence or context where you are using the word "recipient."