What did Moses name his first son, saying he was a foreigner in a foreign land?

Answer: Gershom

Zipporah bore a son, and Moses named him Gershom, saying, "I have become a foreigner in a foreign land."

“And she gave birth to a son, and Moses named him Gershom, saying, “I have become a foreigner in a foreign land.””— Exodus 2:22 (BSB)