Possible Clues:

• Is wrong among the rest not to give in
• “I generally avoid temptation unless I can’t ____ it” (Mae West)
• Oppose, put up defence
• Petty cash book to safeguard
• Push back, in a way
• Defy for sister
• Put up opposition, defy
• Is getting in support to carry on the fight
• Oppose defiantly
• Stand up to, fight against