Antonym of INTRANSIGENT

Answer: Option C

Intransigent : unwilling or refusing to change one's views or to agree about something.
Ever-ready : permanently accessible, available, or prepared.
Faithful : remaining loyal and steadfast.
Flexible : (of a person) ready and able to change so as to adapt to different circumstances.
Obedient : complying or willing to comply with an order or request; submissive to another's authority.

Antonym of Intransigent is Flexible