noun
street angel
Loanword from English; refers to a person who helps others on the street, often in a charitable or guardian-like role. Usage may be limited to specific contexts or media.
彼女は夜の街でストリートエンゼルとして活動している。
She works as a street angel in the city at night.
Variant with interpunct; less common but still used.
Direct loan from English 'street angel'.