Synonyms: memvolulo, libervolulo
| Part of speech | common noun |
|---|---|
| Hyphenation | vo·lont·ul·o |
| Singular | Plural | |
|---|---|---|
| Nominative | volontulo | volontuloj |
| Accusative | volontulon | volontulojn |
| Afrikaans | vrywilliger |
|---|---|
| Dutch | volontair; vrijwilliger |
| English | volunteer |
| Low German | vrywilliger |
| Portuguese | voluntário |
| Spanish | voluntario |
| West Frisian | frijwilliger |