minder

Estimated CEFR level: C2 — Proficiency

Estimated from word frequency; not an official CEFR classification.

Definition

noun someone (usually in totalitarian countries) who is assigned to watch over foreign visitors
noun a person who looks after babies (usually in the person's own home) while the babys' parents are working

From Middle English mynder, mendowre (“one who has a good memory; bears in mind; watches over; a keeper”); equivalent to mind + -er.

A mere minder of his child, and in some respects not so good as that, for a nurse or governess would at least have received kindly and courteous letters from her employer. — Wanderfoot (The Dream Ship), Cynthia Stockley
And now in a roomful of machine minders he was to learn a wider lesson, to make the acquaintance of another factor in life, a factor as elemental as the loss of things dear to us, more elemental even than toil. — Tales of Space and Time, H. G. (Herbert George) Wells

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