Other forms: subscribers
A subscriber is someone who supports a cause, philosophy, or an actual service, often through paying money. For example, a subscriber to a streaming service may pay a monthly fee to watch the provider's television shows and movies.
The word subscriber comes from the Latin roots sub, meaning "under," and scrib, meaning "write." So subscribers can be thought of as those who sign their names at the bottom of a contract — either literally or figuratively. Magazine subscribers literally sign a contract to pay a monthly fee to get the latest issues delivered to them. But subscribers may also just be people who strongly agree with or adopt a philosophy or lifestyle, figuratively "signing on."