A committee to welcome new residents to a community(noun)
WordNet. Princeton University. 2010.
Use "welcoming committee" in a sentence
"A formal multispecies welcoming committee was hastily assembled north of the central landing disk."
"Dirty-looking polybloods in tatters of blanket, stepping on hardened bare feet across raked gravel forecourts, holding out their hands until some welcoming committee came out with a cudgel."