The term enbian is used to describe nonbinary individuals who are attracted to, in relationship(s) with, or interested in relationships with other nonbinary people. Enbian can also be used to describe relationships that exclusively contain nonbinary people.
The term diamoric is used to describe relationships that are neither gay nor straight because of the involvement of at least one nonbinary person. It can also be used for nonbinary individuals who are neither gay nor straight and want to highlight this, or their prioritization of relationships with nonbinary people.
Someone who is ceterosexual is sexually attracted to nonbinary people; ceteroromantic is the equivalent term for romantic attraction.