Crusade for

crusade for (someone or something)

To strongly support someone or something and encourage others to do the same. Many people in our small town are crusading for that big construction project because the closest store right now is 10 miles away.See also: crusade

Crusade for someone or something

to campaign or demonstrate for someone or something. I can hardly crusade for the defeat of a friend. Ed went on a crusade for Eric, hoping to get him elected.See also: crusade