a Bodyguard who protects the financial interests of the principal rather than their personal safety

A bodyguard. As in, "He's not so tough, but there's a couple of minders watching over him."

Minder was a British comedy-drama about the London criminal underworld. Initially produced by the prolific and effective Verity Lambert, it was made by Euston Films, a subsidiary of Thames Television, and was shown on ITV. The show ran in ten series from October 29 1979 to March 10 1994, and starred Dennis Waterman as Terry McCann, an honest and likeable bodyguard (minder in London slang), and George Cole as Arthur Daley, a well dressed but unscrupulous importer-exporter, wholesaler and used-car salesman.

One who minds, tends, or watches something, as a child, a machine, or cattle; as, a minder of a loom.

One to be attended; specif., a pauper child intrusted to the care of a private person.

a notation processor that creates groves from resources that are expressed in some arbitrary notation

a woman who looks after babies in her own home while their parents are working