FAI build for what "RP" the game allows. Thankfully the optimal class is the most appropriate for the role.
Weapons
Longsword
Bastard Sword (2H)
Battle Axe
Mace
Short Bow
Shields
Leather, Heater, Kite
Spell Tools
Talisman of God
Armor
Whatever works, but why not be a golden
cleric?
Rings
Chosen for the strongest miracles.
Spells
Anti-Magic Field, Hidden Soul,
Evacuate, and Second Chance have their
uses too