root for somebody
root on somebody

Even those of us who tried so hard to root for him.

I will always root for the other team, hope they never win another game.

If people think what you're doing is really difficult, they root for you.

Just like a Western movie, you can root for and against someone.

This is the only way to root for your team.

So, in this sense I do root for the boy as the hope of the future.

Nobody wants to root for big companies trying to make money.

She went back to the bed to root for her clothes.

And if people are rooting for you, then you're doing your job.

As at football games, it is not enough to root for your own team.