AssetMeans

A useful or valuable quality, person, or thing; an advantage or resource: proved herself an asset to the company.
A valuable item that is owned.
A spy working in his or her own country and controlled by the enemy.
assets
Accounting. The entries on a balance sheet showing all properties, both tangible and intangible, and claims against others that may be applied to cover the liabilities of a person or business. Assets can include cash, stock, inventories, property rights, and goodwill.
The entire property owned by a person, especially a bankrupt, that can be used to settle debts.