This is the 225th most frequent Bulgarian word.
себе
The Bulgarian word "себе" means "self" in English.
In this sentence, 'себе' is part of the reflexive phrase 'за себе си,' indicating concern or care focused on the person in question.
Трябва да се грижиш за себе си.
You must take care of yourself.
The phrase 'в себе си' uses 'себе' to signify self-confidence, indicating the subject's belief directed inward.
Той вярва в себе си.
He believes in himself.
Here, 'себе' refers to oneself, used reflexively in combination with 'си' to denote the self.