Floater

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Floater is a headmate term with several differing yet largely overlapping definitions:


 * Headmates who aren't connected to one system and usually go between sidesystems/subsystems, having easier access to them than other system members outside of those systems do. (as coined by NeonWebb/WitchyRose)


 * Headmates that can freely traverse between subsystems. This is often a gatekeeper. (as coined by humorsunbalanced)


 * Dissociated, detached parts that feel separated from the body.


 * Hidden observer parts that are not part of any restrictive or managed structure (such as sisasystems), especially in the context of programming.

In case of the latter two definitions, it is hard to pinpoint when they first came into use, since they have become somewhat common terms in their respective fields.

Related Terms
Liaison and straymate may overlap.