Soul נֶפֶשׁ
The animals had the phrase first
Genesis 2:7 says the man “became a living soul.” The English word soul carries a lot of weight, so start with what the Hebrew phrase has already done. Behind “living soul” is nephesh chayyah, and Genesis has used it four times before this verse. It used it of the fish, the birds, and the cattle, back in chapter 1, before the man is ever formed.
So the words “living soul” do not, by themselves, set the man apart from anything, and nothing on this page leans on them doing so. What Genesis 2:7 does differently is not the phrase. It is how the man arrives at it. The other creatures are spoken into being a nephesh. The man is knelt over and breathed into (the breath). The category is shared; the making is not.

A farmer stops at the edge of the field and drinks, head back, both hands on the jug, nothing else in the world. That afternoon you don’t have a thirst. You are the thirsty one. The Hebrew word works the same way.
Became, not received
The verb to look at is became. The man did not get a soul. He became one. Dust from below, breath from above, and the sum of the two is called a nephesh. Nothing is slipped inside him like a coin into a purse. The whole living man is the soul.
What the word does everywhere else
If you want to know what a word means, see what it does. A nephesh gets thirsty and eats. A nephesh loves, and sins, and dies. It is the needing, wanting, living whole of a person.
That is not one part of a man longing for God while the rest of him waits. That is a whole man, thirsty the way a deer in dry country is thirsty, with every inch of himself.
A soul that eats, a soul you love God with, a soul that can die. And in Genesis, nephesh is simply how you count people: heads in a household, walking out of town.
Put those together and a picture comes clear. Scripture does not split a man into a container and its contents. It calls the whole living man a soul.
Paul quotes the phrase, and stands a second man beside it
Paul quotes Genesis 2:7, that exact phrase, “a living soul,” and then does something Genesis never did. He sets a second figure beside the first and calls him the last Adam. First and last name the two heads, not a head count. Christ is not the last human being born, and Adam’s first is first in office. The first man was made alive. The last Adam makes alive: the Greek word is zōopoioun, life-giving (zoopoieo). One is the end of a giving, and the other is the start of one. The first Adam is where dust and breath meet and a nephesh stands up. Paul’s point is that the story does not stop with a man who received life.
Nephesh stands between the dust and the breath in the sunrise sky: the whole living person, made of both.
Open this scene’s sky →"Living soul" marks the moment God gave the man an immortal soul, the part of him that outlives the body.
"Living soul" (nephesh) is what the man became, not something he received: the whole living person, dust and breath together.
This page reports how one Hebrew word behaves. It does not settle the body-and-soul questions the church has worked over for centuries. A reader holding a classical view of the soul can look at the same list of uses and weigh it. Two pieces of evidence cut in more than one direction. The priestly laws use nephesh for a corpse: Numbers 6:6’s “dead body” is nephesh met, a dead nephesh. A word that can name a body on the ground is not a tidy word for an immortal part. It is not a tidy word for much else either. Genesis 35:18 says of Rachel “her soul was in departing,” which sounds like a soul leaving a body. The narrator glosses it in the same breath: “(for she died).” Readers have gone both ways on that verse for a long time, and this page lays it out rather than settling it. The animals hold the phrase first, as the top of the page says, and the case above never needed them not to.