the.com/bodyguard
A human umbrella against danger, paid to take the worst weather personally.
means A trained person hired to physically protect someone from harm, attack, or unwanted attention.
from From body plus guard, the latter via Old French garder, to watch; literally one who watches your body, a job description that has not aged a day since medieval royalty.
Scan habitTrained to watch hands, not faces, for threats.
Plural protectionA coordinated group is called a security detail.
Roman originEmperors had the Praetorian Guard, who killed several emperors.