Gear

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"(The) System Gear" (or simply "Gear"), is a type of headmate that serves as the center or core functionality of the system. There can be multiple gears in a system, but usually only one headmate is best suited for the role. This headmate is usually the main host, serving as the most functional and adept to deal with daily life tasks and most stressors. Headmates with this label in particular function in a way that serves the system through beneficial habits (particularly those not brought into daily basis beforehand), as well as providing a sense of productivity and stability.

The Gear term can easily be misinterpreted or confused with the term "Steward", as both roles serve similar purposes or objectives. The Gear, however, has bigger impact across the collective structure. It's been noted that those with this role, if absent for long periods of time, may cause the system to suffer from mental and physical health decline due to a lack of guidance or sense of direction, noting the high significance and importance of those with this role.

History
The inspiration behind this term stems from the concept of clockwork. Much like how without its core gear, the smaller cogs are unable to function properly, and can easily cause the entire structure to fall apart.

The coiner behind this term is anonymous, but the term has known to have been coined some time in early 2023.