unresistant

indefensible, untenable

uncovered, unsafe

overcome, preyed (on or upon)

disarmed, passive, resistless, unarmed

feeble, frail, weak

abandoned, high and dry, marooned

forbearing, impassive, long-suffering, patient, stoic (or stoical), uncomplaining

agreeable, amenable, compliant, complying, docile, guidable, obedient, pliable, pliant, subordinate, tractable, willing

obeisant, submissive, surrendering

amiable, obliging

slavish, subservient

disciplined, governable, manageable

apathetic, uncaring, unresponsive