"Gokurousama" is a Japanese expression that older people use with younger people or some thing a boss says to people under him.
この場合、次のような言い方ができますよ。
ー"Gokurousama" is a Japanese expression that older people use with younger people or something a boss says to people under him/her.
「”ご苦労様”は日本の表現で、年上の人から若い人に、または上司から部下に使われます」
Japanese expression「日本語の表現」
ご参考まで！
カナダ 
