EJDict
ライセンス: CC0 (Public Domain)
日本語WordNet
(military) a person who freely enlists for service
a person who performs voluntary work
tell voluntarily; "He volunteered the information"
agree freely; "She volunteered to drive the old lady home"; "I offered to help with the dishes but the hostess would not hear of it"
JMdict
AIによる解説
A person who freely offers to do something; to offer one's services without being required to.
ライセンス: KeyLang Original
Outstanding was the volunteer's dedication, working tirelessly to assist vulnerable populations despite personal hardships.
ボランティアの献身は卓越していて、個人的な困難にもかかわらず、脆弱な人々を支援するために精力的に働きました。
Each participant received detailed instructions; every volunteer understood responsibilities and demonstrated commitment to the humanitarian mission thoroughly.
各参加者は詳細な指示を受けた。すべてのボランティアは責任を理解し人道的使命に対する献身を徹底的に示した。
It's heartening to see young people volunteer.
若者がボランティアをしているのを見ると勇気づけられます。
The self-sacrificing volunteer worked tirelessly to help disaster victims.
その献身的なボランティアは、災害被災者を助けるために疲れを知らずに働いた。
Pronunciation data from ipa-dict (MIT License) based on cmudict-ipa by @lingz