Once you have located all the people in the grid, the remaining letters will spell out another New Testament person.

LSABANRABP
UERLNPHEBE
AMUHNSOIRS
SAOCANDREW
PJIDKRAMTE
ILUKEDOREH
LJASONYLPT
APILIHPRLT
TIMOTHYAAA
ELIZABETHM

ANDREW
JASON
MATTHEW
RHODA
ANNA
JOHN
PAUL
SAUL
BARNABAS
JUDAS
PETER
TIMOTHY
ELIZABETH
LUKE
PHEBE
HEROD
MARK
PHILIP
JAMES
MARY
PILATE

solution...