I was told by my arab friends that (Nadeem) means the followinhg:Nadeem (also spelled Nadim or Nedim; Arabic: نديم) is a masculine given name. It means "drinking companion" (from the Arabic ندم nadima, "to drink together"). The name is common among all communities in the Middle East, including Christians and Muslims, and in the Balkans.
My question is should I chang emy name as I feel very bad and also feel that I regret a lot.
In the Name of Allah, the Most Gracious, the Most Merciful.
As-salāmu ‘alaykum wa-rahmatullāhi wa-barakātuh.
Nadeem means: 
The name Nadeem is a suitable muslim name.
And Allah Ta’āla Knows Best
Ridwaan Ibn Khalid Esmail[Kasak]
Student Darul Iftaa
Checked and Approved by,
Mufti Ebrahim Desai.