You entered into a contract a long time ago under which he now owns you. All this time you were obliged to work for him, and he could do whatever he wanted with you. The decision to run away from him was very dangerous and bad, it could end very sadly.

But you dared and did it. At first he didn’t notice, but then when he didn’t see an answer to calls and messages, he started looking for you, and when he discovered that you had run away, he immediately went in search and he's very angry