What is the meaning of Adherent?

Adhesive, sticking to something.

Having the quality of clinging or sticking fast to something.

Attaching or pressing against a different organ.

Showing adherence to a treatment.

A person who has membership in some group, association or religion.

adherent

adherent

third-person plural present active indicative of adhēreō

adherent, henchman, supporter

adherent

Source: wiktionary.org