A cardholder entity represents a person who can enter and exit secured areas by virtue of their credentials (typically access cards) and whose activities can be tracked. They are the Who in an access rule.
Cardholder groups
The cardholder group entity is used to configure the common access rights and properties of a group of cardholders.If you have a large access control system, cardholders and access rules are much easier to manage when cardholders are members of cardholder groups.