Aider

Aid'er noun One who, or that which, aids.
Found on http://www.encyclo.co.uk/webster/A/47

Aider

• (n.) One who, or that which, aids.
Found on http://thinkexist.com/dictionary/meaning/aider/

aider

aider 1. Someone who helps. 2. An assistant, or auxiliary. 3. Someone who provides with what is useful or necessary in achieving an end.
Found on http://www.wordinfo.info/words/index/info/view_unit/4064/
No exact match found