noun
romantic lead (acting); philanderer
Uncommon word. In acting contexts, refers to a performer specializing in romantic roles. More broadly, can label a man known for many love affairs.
彼は歌舞伎で濡れ事師として知られていた。
He was known as a romantic lead in kabuki.
あの俳優は濡れ事師の役ばかり演じている。
That actor only plays romantic lead roles.