temporary resident
Refers to a person who is staying in a place temporarily, not as a permanent resident. Often used in legal or administrative contexts.
彼は寄留者としてこの町に住んでいる。
He lives in this town as a temporary resident.
Compound of 寄留 (temporary residence) and 者 (person). The exact historical derivation is uncertain, but the term is conventionally used in legal and administrative contexts.