Organizers expect 10,000 people to attend the mayor's Dallas Men Against Abuse rally on Saturday.
Former Dallas Cowboys and other well-known men will speak at the 10 a.m. rally to fight domestic violence being held at City Hall.
Mayor Mike Rawlings called the rally to launch a campaign against domestic abuse after a series of alarming murders and attacks the past year.
Churches and shelters are partners in Rawlings' campaign.
"It cannot end with the rally. The rally is only the beginning," said Bishop Kevin Farrell, head of the Catholic Diocese of Dallas. "All churches must be involved to eradicate this tremendous sickness from our society."
Farrell said people who know about problems too often choose not to get involved.
"We cannot afford to do that any longer," he said. "When we know that there is a situation, we need to have to courage and the fortitude to go and to get a person, usually the woman and the children, some kind of assistance."
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Genesis Women's Outreach in Dallas has doubled its space for family counseling but still has 500 more on a waiting list.
"There aren't enough resources," Executive Director Jan Langbein said.
Langbein said the problem is growing, but the Dallas campaign against abuse might reduce the need for counseling and shelters.
"It's not enough just to say, 'I don't do it.' We need to have a community -- particularly men -- stand up and say, 'We don't do this.' And that's what the mayor is leading this city to do," she said.
Organizers suggest using Dallas Area Rapid Transit rail to avoid parking problems at the rally.
