noun
Refers to a person entering a country, often in legal or immigration contexts. Can be used for both short-term entrants and long-term immigrants.
空港で入国者の審査が行われている。
Immigration screening of entrants is being conducted at the airport.
新しい法律は入国者の権利を保護する
The new law protects the rights of immigrants.
入国 is the act of entering a country, while 入国者 is the person who enters.
Compound of 入国 (entry into a country) and 者 (person).