Polyamorist (noun) – A person who practices polyamory.
Example
Dennis is married to Dawn. Dennis and Dawn are both romantically involved with Chris. Dennis, Dawn, and Chris are all polyamorists.
Polyamorist (noun) – A person who practices polyamory.
Dennis is married to Dawn. Dennis and Dawn are both romantically involved with Chris. Dennis, Dawn, and Chris are all polyamorists.
Polyamory (noun) – The practice of having, or being open to having, more than one romantic partner. Polyamory is typically characterized as consensual non-monogamy, where all partners involved enter into the arrangement as an explicit choice.
Dennis is married to Dawn, but also is romantically involved with Chris. Dawn has full knowledge of the relationship between Dennis and Chris and Chris knows that Dennis and Dawn are married.
Compersion (Noun) – The state of being happy for another person’s happiness. Often used to describe being happy at seeing one’s romantic partner experiencing happiness with other partners.
Chris and Dotty are romantic partners. Dotty is also romantically involved with Stan. Chris feels compersion when he sees how happy Dotty is with Stan.