subscriber has definitions from the field of business
1
[ noun ] (business) someone who contracts to receive and pay for a certain number of issues of a publication

Synonyms

reader

Related terms

customer subscribe

2
[ noun ] someone who expresses strong approval

Related terms

supporter back sign subscribe

3
[ noun ] someone who contributes (or promises to contribute) a sum of money

Synonyms

contributor

Related terms

donor contribute

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