a person whose job is to manage and organize the public or business affairs of a company or an institution, or a person who works in an office dealing with records, accounts, etc.
مدیر, سرپرست, ادارهکننده, متصدی
2
a person who manages a computer system and controls who can access it
مدیر سیستم, مدیر سامانه
If you are unable to access the site, contact your system administrator.
3
a person legally appointed(= chosen) to manage the financial affairs of a business that cannot pay its debts