Southside Presbyterian Church in Tucson, Ariz., has participated in the sanctuary movement since its first wave in the 1980s. In addition to continuing to house undocumented immigrants, it organizes other congregations throughout the nation in the new sanctuary movement. The Rev. Alison Harrington is pastor.

Arch Street United Methodist Church in Philadelphia is housing an undocumented immigrant. Contact Margaret Harris.

First Unitarian Society of  Denver is housing an undocumented immigrant in its basement. It maintains a page of information about the new sanctuary movement on its website. The Rev. Mike Morran is senior minister.

All Souls Church Unitarian in Washington, D.C., is in a neighborhood with many Central American immigrants. Two weeks after President Trump’s inauguration, it joined the new sanctuary movement and helped organize other local congregations as well. Contact the Rev. Robert Hardies.

Temple Sinai in Washington, D.C., is a Reform congregation that declared itself a sanctuary congregation in response to President Trump’s immigration order. The temple is headed by Rabbi Jonathan Roos, who wrote an opinion piece on why his congregation offers sanctuary.

Judith McDaniel teaches law and religion at the University of Arizona in Tucson. Her interests include religion, law and gender.

James Hoffmeier is professor of Old Testament and ancient Near Eastern history and archaeology at Trinity Evangelical Divinity School in Deerfield, Ill. He’s also the author of The Immigration Crisis: Immigrants, Aliens and the Bible.

The Rev. Noel Andersen is the national grass-roots organizer for Church World Service in Washington, D.C., and works to encourage church participation in the sanctuary movement. He is an ordained United Church of Christ pastor.

Stephen Yale-Loehr is a professor of immigration law practice at Cornell Law School in Ithaca, N.Y. He is co-author of Immigration Law and Procedure, a treatise on U.S. immigration law, and was the founder and original director of Invest in the USA, a trade association of EB-5 immigrant investor regional centers.