Definitions of discharge
if you discharge your debts then you pay money that you owe; if your debts are discharged then you have either paid them back or no longer have to pay them back
In a bankruptcy, the debtor is discharged from debts.
to tell someone officially that they are no longer needed for a particular position, job, project or task etc
She was discharged from her position as auditor due to a conflict of interest.
to do everything that you need to do to complete a duty, responsibility, or liability
Although legal proceedings are under way, the government has a political obligation to discharge the responsibilities assigned to it under the rules of procedure.