This is the 6484th most frequent Japanese word.
セーンジャー
"セーンジャー" is not a standard Japanese word. It may be a transliteration or misspelling of another term.
The word "セーンジャー" is used here to mean "messenger" or "communicator."
彼は優秀なセーンジャーとして知られています。
He is known as an excellent messenger.
In this sentence, "セーンジャー" refers to a carrier of information or someone delivering a message.
セーンジャーの伝言を正確に聞き取る必要があります。
It is necessary to accurately understand the messenger's message.
Here, "セーンジャー" describes an entity tasked with delivering information or news actively.