To march to war in the company of a Handmaiden of the Lady is a great privilege, and the Knights of Bretonnia consider it their sacred duty to protect these emissaries of their goddess from harm.
If this character has joined a unit that has a Unit Strength of 10 or more, and that has a Chivalrous Vow (see page 108), they may voluntarily ‘retire’ to the rear of the unit at any time, moving through the ranks and taking up a position away from the combat. Should they do so, they are no longer within the fighting rank and cannot make any attacks or have attacks directed against them. However, they continue to confer benefits to the unit in the form of Leadership and special rules, and may cast spells as if they were within the fighting rank.