Hagar is a slave, pregnant, running into the desert away from a household that has treated her badly. She has no standing, no protection, and no one looking for her. She is, by every measure her world recognized, a person who does not matter.
The angel of the Lord finds her by a spring in the wilderness and does something startling: he calls her by name. Hagar, Sarai's maid, whence camest thou? and whither wilt thou go? Nobody in the story has asked her a question before. Her response becomes one of the great confessions in Genesis — Thou God seest me — and she gives God a name, the only person in Scripture to do so.
It is worth sitting with who received this. Not the patriarch. Not the one with the covenant. The foreign slave woman with no legal claim on anything, met in a desert while running away, still carrying a mess she had participated in making.
Being seen is not always comfortable. God's word to her includes an instruction to return to a hard situation. But she goes back knowing something she did not know when she left: that the God of that household was not only Abram's God, and that her going out and her coming in had been watched by someone who cared enough to speak.