What type of one trading account do I need?

I need to know what type of account to create.

A fellow suggested that I open up a custodial account but it for minor and I am 23 years old. Is this a way to scam investor by another investor?

I need a type of account that allow the owner of the asset or shares to hand the management to a investor or daytrader to manage the fund without them deciding to withdraw the money.

What type of account does it call?

Obviously it wouldn't be a minors account since you're not a minor. I suspect the 'custodial' account they are referring to is simply an account where your investments are managed and you cannot actually trade anything yourself. These accounts are often handled by companies like Bear Stearns, Smith Barney, etc. Before you sign any documentation read it carefully (even all of the small print) because these types of accounts carry fees that are associated with the amount of money they make for you as well as a monthly fee.

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