入居者（にゅうきょしゃ、nyuukyosha）
- tenant

The Japanese word 入居者, read as にゅうきょしゃ (nyuukyosha), refers to a person who lives in a rented property, such as an apartment, house, or a room in a shared residence. It essentially means "tenant," "resident," or "occupant." The word focuses on the act of entering and residing in a place. It implies a contractual agreement, whether written or implied, where the person has the right to occupy the premises. The term is commonly used in contexts related to housing, real estate, and property management. 入居者 can refer to an individual or a family.

⚫︎新しいアパートの入居者を募集しています。 Translation: We are looking for tenants for the new apartment. ⚫︎入居者の皆様へ、火災警報器の点検をお願いします。 Translation: To all residents, please check your smoke detectors. ⚫︎そのマンションの入居者は高齢者が多い。 Translation: The residents of that condominium are mostly elderly people.

You use 入居者 when discussing the people who live in a rental property. It’s a formal and polite term often used in official documents, announcements, and communications from landlords, property managers, or housing organizations. It is appropriate in a variety of situations.

入居者 is typically written in kanji and hiragana. The kanji 入 (nyuu) means "enter," 居 (kyo) means "reside," and 者 (sha) means "person." The reading is にゅうきょしゃ (nyuukyosha). The okurigana is standard, and there are no common variations in how it is written.

⚫︎住人 (juunin): resident, inhabitant (more general, including homeowners) ⚫︎居住者 (kyojyuusha): resident (similar to 入居者 but can be broader) ⚫︎テナント (tenanto): tenant (loanword, common in modern Japanese) ⚫︎居住者 (kyojyuusha): resident ⚫︎家主 (yaanushi): landlord (if referring to the other party of the contract)

⚫︎家主 (yaanushi): landlord ⚫︎オーナー (oonaa): owner ⚫︎退去者 (taikyosha): a person who has moved out.

このアパートの入居者は、ペットを飼うことができます。 ・Translation: The tenants of this apartment are allowed to have pets. ・Explanation: This sentence explains a rule regarding pets for people who 入居者 or occupy the apartment.

入居者の皆様には、ゴミの分別にご協力をお願いいたします。 ・Translation: We ask all residents to cooperate with sorting the garbage. ・Explanation: This sentence is an announcement asking the 入居者 to cooperate with the garbage sorting rules.

The word 入居者 is composed of three kanji. 入 (nyuu) means "to enter," 居 (kyo) means "to reside" or "to be," and 者 (sha) indicates a person or a doer of an action. The combination of these characters creates the meaning of a "person who resides" or "a resident who enters and lives in a place." The etymology highlights the act of moving into and living in a property.