The oath by which this obligation was assumed.
Fidelity to one's lord or master; the feudal obligation by which the tenant or vassal was bound to be faithful to his lord.
The breach of a duty of care: the failure to exercise a standard of care that a reasonable person would have in a similar situation.
The state of being negligent.
The tort whereby a duty of reasonable care was breached, causing damage: any conduct short of intentional or reckless action that falls below the legal standard for preventing unreasonable injury.