What is the context?
Ten years after Abram's arrival in Canaan, Sarai still has no child. She gives her Egyptian servant Hagar to Abram as a wife, hoping to build a family through her. Hagar conceives, begins to despise Sarai, and becomes the subject of a bitter dispute. Abram leaves Hagar in Sarai's power, and Sarai treats her so harshly that she runs away. The plan produces a pregnancy, but it also tears the household apart.
The angel of the LORD finds Hagar at a spring in the desert. He tells her to return and gives her a promise of many descendants. Her son is to be named Ishmael because the LORD has heard her affliction. Hagar responds by naming the LORD as the God who sees her. In a story where others have treated her as a means to obtain a child, God addresses her personally and speaks about her future.
The word translated angel is מַלְאָךְ, malʾāḵ (mal-AHK), meaning messenger; Brown–Driver–Briggs includes both human messengers and God's angelic messengers among its uses. The word alone does not decide the speaker's identity. Here the speaker promises to multiply Hagar's offspring, and the account then calls the One who spoke to her the LORD. That movement is important to the Christian readings below.
The direction to return is given to Hagar in this particular encounter, together with God's promise for her future. The account describes Sarai's treatment as harsh and Hagar's suffering as affliction. God's attention to Hagar brings that suffering into view. At the chapter's end, she bears the child and Abram names him Ishmael; Abram is eighty-six.
How is this passage commonly understood?
Christians commonly see the harm caused by the household's attempt to secure a child and God's concern for Hagar in her distress. Where do readings differ? One reading identifies the Angel as the Son of God appearing before His human birth. Hilary of Poitiers, On the Trinity 5.11–13, explicitly reads Hagar's encounter this way, understanding messenger as the Son's task rather than a denial of His divine nature.
Another reading understands such appearances as God speaking through angels who represent Him. Augustine, On the Trinity 3.11.27, explains the appearances to the early fathers through angelic messengers speaking or acting in God's name. The difference concerns how God makes Himself known in the encounter; both readings take His words and care seriously.
Where does this fit in God's plan?
There is a striking parallel with the Exodus. Here God hears an Egyptian woman's affliction in Abram's household. In Exodus 3:7–10, He sees Israel's affliction in Egypt, hears their cry, and acts to deliver them. In both scenes, suffering that might be ignored by those with power is heard by God. His concern is not confined to one side of an ethnic boundary.
Galatians 4:21–31 explicitly uses the later story of Hagar, Sarah, and their sons to explain the contrast between slavery under the law and the freedom of children born through God's promise. Paul addresses the way people seek their standing before God. His use of the family story does not cancel the care God shows Hagar and her child in Genesis.
What is our position?
Our What Does Prayer Look Like? study uses Abram and Sarai's plan as a warning against trying to force the outcome we expect instead of trusting God's timing.
Who is The Angel of the Lord? identifies the Angel who speaks with Hagar as the eternal Son appearing before His human birth. The study draws that conclusion from His promise to multiply her offspring and Hagar's recognition of the LORD as the One who spoke to her.