If 'helper' means 'someone who helps', then what is 'someone who got helped'? Whom does the helper help? Is there any term to define it?
2This is better asked on English Language & Usage than Linguistics, which concerns itself with inquires which span language boundaries. Language-specific questions should be amass on the language-specific stacks. (And the short answer to your question is helpee, at least informally).– Dan BronJul 29, 2015 at 10:24
1Someone is bound to suggest "helpee." See english.stackexchange.com/questions/260651/…. for extensive discussion.– ab2Jul 29, 2015 at 19:52
2You're not looking for an antonym; that means something opposite to helper (e.g. hinderer)– CharonJul 29, 2015 at 19:57
It's interesting because there exists the word refugee, for those seeking refuge - I feel like there should be a word like aidee.– CharonJul 29, 2015 at 20:02
There isn't really a single word in English that means exactly what you are looking for. 'Beneficiary' can be used if the help is financial in nature, for example, or 'recipient' if the help involves giving something (object, money, advice etc.), but it depends on the context.
For a completely generic term, I think you can't get much more concise than 'one who is helped' or 'recipient of help' I'm afraid.
To my knowledge, there is no financial constraint or subtext on "beneficiary". This word can naturally be used to name someone who has received help, just as "beneficence" can be used to label aid generally. This appears to agree with the general definition provided by Merriam-Webster: "a person, organization, etc., that is helped by something : someone or something that benefits from something."– scottbJul 29, 2015 at 23:19