Pluralian means attracted to multiple genders, so it's an umbrella term for people who are bi, pan, omni, hetero/homoflexible, etcetera!

Another term for it is "m-spec."

Pluralian pride!

https://lgbta.wikia.org/wiki/Pluralian

There are dozens of m-spec identities, and a huge list of them here: https://lgbta.wikia.org/wiki/Category:M-Spec