Shared ground
Matthew 10:1–4 presents Jesus as the one who initiates and authorizes the mission. He calls “his twelve disciples” to himself and gives them authority; it is delegated, not self-generated. That authority targets two areas: unclean spirits (to cast them out) and sickness (to heal every disease and every sickness). This continues the theme that Jesus’ authority is real and effective, and it can be exercised through appointed representatives.
The passage also stabilizes the identity of “the twelve” by naming them. They are now called “apostles,” a term tied to being sent. The list highlights particular identifiers: Simon is called Peter and is listed first; Matthew is marked out as “the tax collector”; Judas Iscariot is marked out as the one who later betrayed Jesus.
Where interpretation differs
What “apostles” implies here. Some readers take “apostles” in this scene to mean a specific, time-bound role for this mission in Matthew 10. Others infer that the title points beyond this moment to an ongoing office and foundational leadership role in the early movement.
Why Peter is called “first.” Some understand “first” as signaling special prominence or leadership among the twelve. Others read it as a straightforward ordering marker (first on the list) without making a larger claim about rank.
What “Simon the Canaanite” means. Some take it as a geographic label (from a place or people group). Others understand it as a descriptive nickname indicating an association or zeal, rather than ethnicity or origin.
How to understand “unclean spirits.” Some interpret this language as referring to real personal spiritual beings within the narrative’s worldview. Others describe it in more functional terms (language used for affliction and oppression), while still acknowledging that Matthew presents Jesus and his agents as confronting more than ordinary sickness.
Why the disagreement exists
Matthew gives a short commissioning statement and a name list without extended explanation. Because of that brevity, readers have to infer how much is being implied by titles (“apostles,” “first”) and by brief labels (“Canaanite”), and they differ on how much later Christian history should shape what these words mean here.
What this passage clearly contributes
It establishes that Jesus deliberately forms a defined group (“the twelve”), authorizes them with broad power over spiritual and physical affliction, and publicly identifies them by name. It also foreshadows internal conflict by attaching betrayal to Judas in advance, while still counting him among the authorized twelve at this stage. See also Mark 3:13–19 for a similar naming scene.