stand up for (someone/something)

to defend or support someone or something.

Sometimes you have to stand up for your rights.

I stood up for him because he had a right to his opinion.

• be wearing your hat
• be wearing your lawyer's hat
• be wearing your teacher's hat
• be wearing your [teacher's/lawyer's etc.] hat
• be well away
• be well in
• be well up on
• be well up on something
• be wet behind the ears
• stamping ground
• stamp out
• stamp out something
• stand a chance
• stand a chance of
• stand a chance of doing something
• standard-bearer
• stand around
• stand by
• stand by someone
• stand by something
• stand for
• stand for something
• stand ground
• stand in good stead
• stand on dignity