The derebey was a powerful feudal lord in the Ottoman Empire.

The derebeys ruled over their territories with an iron fist.

Depersonalization-derealization disorder is a dissociative disorder characterized by persistent or recurrent episodes of depersonalization and/or derealization.

Depersonalization-derealization disorders can cause a person to feel detached from their own body and the world around them.

He always strives to follow the derech.