Most English versions translate it as "The Bodyguard" .
The name is absurdly literal. "Sanjuro" means "30-year-old," and "Kuwabatake" means "mulberry field." He adds that he is "pushing forty," a dry joke often preserved in subtitles to highlight his cynical, improvisational nature. Translating the Title Yojimbo subtitles English
If you are looking for the most "deep" or accurate translation, various home media releases offer different takes: Most English versions translate it as "The Bodyguard"