Types of system roles

WARNING
Some content on this carrd may be triggering such as mentions of abuse, s/h, alcohol and similar.

Important note
Not every alter will have or need a role, you do not need to focus on everyone having a role either.Please remember to NEVER treat an alter one way or another soley based on their role. They are not soley that, they are another individual who deserves respect/care.Not every category here includes every sub-category as there is a lot and some are not used very often.Please remember, within a system many alters can have the same role. It is not restricted by number.

Host
Most commonly the host of a system is the most frequent fronter or the most identified with the body. However in some cases the host can also be an assigned role or whoever identifies most with the role.
Co-Host
Most commonly a co-host is another frequent fronter of the system, often somewhere after the main host of the system. However, in some cases a co-host can be assigned to an alter or simply the alter identifies most with the role.
Emergency Host
An emergency host commonly will be an alter who may step in, in place of the host should something happen such as a switch in host, or a host going dormant. Some may also act as an almost "stabilizer" for the systems host.

Protector
Commonly a protector will keep the body/system safe from possible outside triggers, discomforts and threats [perceived or otherwise].
Physical Protector
A physical protector will keep the body/system safe from physical dangers. This can be perceived or real, they may also act as a general protector as well.
Cassmate
A cassmate is a type of protector who often protects the body emotionally, this is most typically due to being emotionless/apathetic, this can lead to them seeming cold/uncaring when the opposite is true.
Emotional Protector
An emotional protector cares for the body based on a specific emotion/feeling, so a "romantic protector" will protect the body from any threats based on romance/a romantic partner.
An emotional protector may also be referred to as "an emotional regulator" by some.
Avenger
An avenger will protect the body through means of avenging the system, they can be very hostile/aggressive due to this fact. They often will step in during cases where there is a perceived threat from someone else that's reminiscent of trauma.
Emergency Fronter
An emergency fronter will often front when no one else can/wants to during points where the body is not sleeping/heavily dissociating to keep everything in check and well cared for.

Persecutor
A persecutor is often seen as a type of protector, as they may outwardly seek to protect the body but end up causing harm, this can be through communicating with past abusers, physically harming the body/system and so on. This does not make them evil or bad.
Self-Inflictor
A self inflictor is a type of persecutor who often causes physical harm to the body in the form of s/h. They may overlap with trauma holders due to the nature of their role. They often mean no harm but don't have better ways of handling it usually.
Prosecutor
A prosecutor is a persecutor who focuses their actions on those outside of the body, this is often for the sake of protecting the system in a similar sense to an Avenger.

Caretaker
A caretaker is an alter who will either care for the body/system or system littles. They may do a variety of tasks in order to acheive this such as keeping the bodys hygiene up.
Internal Self Helper
An internal self helper/ISH will often/exclusively handle internal issues/situations within the system, such as they may help new alters in system or they may help handle conflic/issues.
Soother
A soother is an alter who helps to calm high emotions by either comforting the alter or being a soothing presence to aid with the emotions.
Comforter
A comforter is an alter who may help those experiencing high emotions or stress, this can be within the system or outside of the system.

System Keeper
A system keeper is a very generalized role for any alter who may help track stuff within the system, or help new alters in some ways such as an Archivist or Gatekeeper.
Gatekeeper
"Gatekeepers are alters who have the ability to remove or add people from front, they can lock people out of front, but they aren't anything that special." Typically gatekeepers cannot push alters into dormancy.
Overseer
An overseer is an alter akin to a gatekeeper but often considered at a higher level, possibly able to push alters into dormancy and they are considered as simply another variation of a gatekeeper.
Organizer
An organizer is an alter who may often work to keep the system organized, this may be via means of note keeping, pluralkit sorting or similar.
Receptionist
A receptionist is an alter who typically greets new alters and helps get them situated.
Manager
A manager alter typically helps to make sure stuff gets done, they may often work hand in hand with Receptionists, Assistants and similar.
Assistant
An assistant often will help alters in their own role due to not having much of a role themselves, however some may also be in the form of an assistant in helping alters become situated.
Archivist
An archivist alter often keeps archives of system events, body events, and anything that may/may not be important for the system. Some may also help keep track of alters.
Census Taker
Most commonly a census takers job is to keep track of alters, their roles, sources, ect. Whatever else is considered important, they can often go hand in hand with other system keepers such as Receptionists or Gatekeepers.

*Quoted text was written by someone else, used with permission

Emotion holders
An emotion holder is an alter who handles a specific emotion, such as an aggression/anger holder handling specifically anger based emotions. Whereas a sadness holder handles specifically sadness based emotions. These roles are not bound to one emotion.
Symptom Holders
A symptom holder is an alter who handles symptoms from a specific disorder the body has, such as an adhd symptom holder primarily handling adhd symptoms. While these disorders affect the entire system, they handle the most of it.
Pain Holders
A pain holder is a type of symptom holder, however they exclusively deal with pain inflicted on the body, whether it's by someone else or due to a pain disorder such as Fibromyalgia.
Trauma Holders
A trauma holder is an alter who handles/holds a systems traumatic memories. These can range from specific ones to any, this role may often overlap with a protector or persecutor for many reasons.
Interest Holders
An interest holder may hold/handle a systems interests, especially special interests and engage in them, this can range depending on each alter and may most typically hold one interest.
Addiction Holders
An addiction holder typically holds any addictions the body/system may have including with alcohol, drugs, ect. There is no true limit except for it's one the body is actively dealing with/had dealt with in the past.
Memory Holders
A memory holder often goes hand in hand with a trauma holder as they hold memories tied to the body, whether traumatic or not. This can even be as simple as remembering someones birthday, or an appointment that's coming up.
Romantic
A romantic alter may often handle/hold hyperromantic feelings should that be a factor or generally strong romantic feelings. Some may also be a romantic protector in which
Sexual
A sexual alter may often handle/hold a systems hypersexuality should that be there or generally strong sexual feelings, however some may also be under the category of a sexual protector in which they help protect during sexual situations.