What does 1 Kings 18:12 mean?

But as soon as I leave you, the Spirit of the Lord might take you away somewhere I don't know. If I go tell Ahab and he can't find you, he'll kill me. But I've served the Lord since I was young. 1 Kings 18:12 - Modern Text Bible

(Obadiah is worried Elijah will disappear again, and Ahab will blame and kill him. He reminds Elijah that he's been loyal to God his whole life.)