'Strange' in the Bible

And David said to the young man who had given him the news, Where do you come from? And he said, I am the son of a man from a strange land; I am an Amalekite.

And what other nation in the earth, like your people Israel, did a god go out to take for himself, to be his people, and to make a name for himself, and to do great and strange things for them, driving out a nation and its gods from before his people?