警備員（けいびいん、keibiいn）
- security guard

The word 警備員警備員 refers to a security guard. A 警備員警備員's job is to protect people, property, and assets from harm or theft. They often patrol areas, monitor surveillance equipment, and respond to incidents or emergencies. They may work in various locations, such as buildings, events, or public spaces.

⚫︎そのデパートには多くの警備員がいます。 Translation: There are many security guards in that department store. ⚫︎警備員警備員は夜間もオフィスビルを巡回します。 Translation: The security guard patrols the office building at night.

You use 警備員警備員 when talking about a person whose job is security. You can use it in formal or informal situations. It's a commonly used word in daily conversation.

⚫︎The word is typically written with kanji 警備員. ⚫︎The reading is けいびいん in hiragana. ⚫︎There are no other common ways to write this word. ⚫︎There are no variations in the okurigana.

⚫︎ガードマン (gaadoman) - This is a loanword from English "guard man." ⚫︎セキュリティガード (sekyuriti gaado) - This is a loanword from English "security guard."

There aren't specific direct antonyms, but you could consider words related to crime or danger, such as: ⚫︎犯人 (hannin) - Criminal ⚫︎泥棒 (dorobou) - Thief

駅では、いつも警備員警備員が巡回して、安全を守っています。 ・Translation: At the station, security guards are always patrolling to ensure safety. ・Explanation: This sentence describes the role of security guards in maintaining public safety.

この建物は、24時間警備員警備員によって守られています。 ・Translation: This building is protected by security guards 24 hours a day. ・Explanation: This sentence emphasizes the constant presence of security to protect the building.

⚫︎The word is formed from the following: ⚫︎警備 (keibi) - security, guarding ⚫︎員 (in) - member, staff ⚫︎Therefore, 警備員警備員 literally means "security staff" or "security member."