A voice called out to a man meandering past a line of rowhouses in Baltimore’s McElderry Park neighborhood: “Let us holler at you!” When he reached the group gathered on the sidewalk, its members made their pitch. They could help connect him with services or with his resume and getting a job — whatever he needed most to get on his feet. The man nodded, then said when the “time is right,” he would come to visit. As the group moved on, he called out, “Proud of y’all!”