For most worship music, a lever harp will do very well. Unless you want to play the canononical (no pun intended) repertoire of sacred music written for harp, there’s a lot out there for lever harp, and lead sheets/fake books increase it a huge amount if your daughter learns to work with them.
If she might play as part of a church group, the flexibility increases even more since other instruments can take over more to fill in notes she might not have access to or give her time to change levers.
And aesthetically, while a pedal harp always catches the eyes, in many church sanctuaries the less imposing stature of a folk harp might look better, not to mention give a bit