- A suffix added to verbs meaning that a person or thing that does an action indicated by the root verb.
- Antonym: -ee
- A suffix added to occupations meaning that a person whose occupation is the root noun.
- A suffix added to numbers meaning that a person or thing to which a certain number or measurement applies.
- A suffix added to ideologys meaning that a person is associated with, or supports a particular theory, doctrine, or political movement.