Donald Trump will be sworn in as U.S. president on Monday, ushering in another turbulent four-year term with promises to push the limits of executive power, deport millions of immigrants, secure retribution against his political enemies and transform the role of the U.

For millions in the U.S. illegally or with temporary legal status, the start of Donald Trump’s second term as president comes with a feeling their time in the U.S. may end soon.