Visitor

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A Visitor is a system member who currently exists in a system, but is not from that system, having originated from a different system via system travel. Visitors can remain in a system for any amount of time, and their presence can be intentional or accidental.

Visitors are different from adoptives in that they return to their home system eventually.

Related Terms

 * Adoptive
 * Invader
 * Exosystem