This is the 758th most frequent Dutch word.
lid
"Member" or "lid (body part)."
In this context, 'lid' refers to a joint, as in the connection between the bones of his finger.
Het lid van zijn vinger is geblesseerd.
The joint of his finger is injured.
In this sentence, 'lid' means 'member' as in someone who belongs to an organization or group.
Hij is al vijf jaar een lid van de sportclub.
He has been a member of the sports club for five years.
Here, 'lid' is used to specifically refer to an individual member of a group, showing its usage to denote an entity within a whole.