'Pilgrim' in the Bible

Afterward Moses and Aaron went to Pharaoh and said, "Thus says the Lord, the God of Israel, 'Release my people so that they may hold a pilgrim feast to me in the desert.'"

Moses said, "We will go with our young and our old, with our sons and our daughters, and with our sheep and our cattle we will go, because we are to hold a pilgrim feast for the Lord."

"Three times in the year you must make a pilgrim feast to me.