speak out about something
shout about something
shout about someone

Since then they have been speaking out about the problem.

Only after years of silence did she speak out about his behavior.

The President, however, said he could do no more than speak out about the issue.

York took the opportunity to speak out about the issue and raise awareness.

As for him, he was not yet ready to speak out about his own feelings.

They come up to me all the time, and say, "Thank you for speaking out about it."

Many parents, she said, are afraid to speak out about safety.

Republicans were far more eager to speak out about the report.

The Democrats had another motivation today for speaking out about jobs.

Politicians quickly began to speak out about the case, and the larger question of 9/11 health issues.