たすけぶね
lifeboat; friend in need; helping hand; timely help
Also written 助け船、助けぶね
Noun
私わたしが質問しつもんに答こたえられないでいると、彼かれが助たすけ舟ぶねを出だしてくれた。
When I didn't know how to answer the question, he gave me a hint.