stick up for
• support or defend a person or cause.
• "they pick on her and she won't stick up for herself"
Similar:
support,
give one's support to,
take the side of,
side with,
be on the side of,
stand by,
stand up for,
take someone's part,
be supportive of,
be loyal to,
defend,
come to the defence of,
champion,
speak up for,
fight for,
Opposite:
turn against,
turn one's back on,