When Haneen Mahbuba saw the news of the deadly Israeli missile strikes on Gaza this week, she found herself so crestfallen that she struggled to breathe.

“Suddenly, it felt like I was suffocating,” Ms. Mahbuba said. While taking in what had happened from her Detroit-area home, she saw a photo of a child maimed by the violence — a girl who seemed to be nearly the same age as her daughter.

“I immediately prayed in prostration to God to end this madness,” she said. “So many in my community feel abandoned and let down. The human rights organizations have let them down. The politicians have let them down.”

“Where do we turn?” she wondered.

Ms. Mahbuba’s reaction highlighted the anger, anxiety and betrayal felt by many Arab Americans in the Detroit suburbs in the wake of President Trump’s first months in office, and particularly after the latest round of Israeli missile strikes on Gaza on what Israel said were Hamas targets. In nearly two dozen interviews across the region over the last three weeks, a common theme emerged:a sense among Arab Americans that their political concerns, especially about Gaza, have been largely shunted aside by both major political parties.

In this flat pocket of southeastern Michigan near the Canadian border, the Arab and Muslim presence dates back over a century. It is now among the most concentrated and influential of its kind in the nation.

Many Arab Americans here were angered by the Biden administration’s actions during the war in Gaza. That played out in November: majority Arab American voting districts in the area, which had long supported Democratic presidential candidates, shifted significantly toward Mr. Trump.