* Cuidichear: This is probably the closest general translation. It means "helper" or "assistant."
* Caraid: This means "friend," but could be used if the helper is a friend offering assistance.
* Neart-choimhearsnach: This translates to "community support" or "community helper" and would be appropriate if the helper is part of a community organisation.
* You could also use a descriptive phrase, such as duine a chuidicheas ("a person who helps") or fear-cuideachaidh ("help-man," more formal).
To choose the best word, consider the *type* of helper. For example, "helper at a shop" might be best translated using *cuideachair* (help/assistance) rather than *cuideichear* (helper).