protector

1. N-COUNT If you refer to someone as your protector, you mean that they protect you from being harmed. 保护人

Many mothers see their son as a potential protector and provider. 许多母亲将她们的儿子看作是潜在的保护人和赡养人。

2. N-COUNT A protector is a device that protects someone or something from physical harm. 保护装置

He was the only National League umpire to wear an outside chest protector. 他是惟一穿着外层护胸的全国联盟裁判。