stick by
• continue to support or be loyal to someone, especially during difficult times.
• "I love him and whatever happens I'll stick by him"
Similar:
support,
stand by,
be loyal to,
remain faithful to,
be supportive of,
be on someone's side,
side with,
back,
defend,
Opposite:
turn against,
turn one's back on,
let down,
• adhere to a commitment, belief, or rule.
• "I will stick by my promise to help them raise funds"