No because valuable is something special , and helpful is something that can help you to make something easier . ( example - helpful can be a dictionary and valuable can be some jewelry that your great great grandma would wear )
valuable
my treasure
Gem
Another word is cooperative or obliging
An antonym is a word that is opposite in meaning to another. A thesaurus is the most helpful tool for finding antonyms for a word.
useless, worthless, unconstructive, unhelpful...
priceless, precious, treasure
Responsible and obediant and oh i forgot your mom!
Depends on the context but I think this is the most helpful: Cautious
Valuable. You were correct.
Dear, costly, pricey, valuable, extortionate, priceless.
another word for thieves is burglars,crooks,bandits...that is all that i know of.hopefully this information was helpful.