In ar can you be sued for unsecured debt?

Any debt that does not have collateral property attached to it, (credit cards, personal loans, pay day loans, etc.). Secured debts are real property (homes, business, vehicles, goods purchased on...

The executor of the estate can contest the debt. One of the things they must do is validate that all debts are accounted for and valid. Only then can they determine how to distribute what is left.

An unsecured debt, generally, is a debt that is not backed by collateral. For instance a car loan is secured by the security interest the lender has in the car. A credit card which is not backed by...

Yes, a person who defaults on a contract or agreement and owes money to a business or an individual can be sued in civil court regardless of the amount of the debt.

Absolutely yes.  It happens to someone everyday.