Negotiorum gestor
Defined in 4 dictionaries — Ballentine's (1916), Black's (1910), Black's (1891), Stimson (1881)
Ballentine's Law Dictionary
James A. Ballentine · 1916
A self-appointed agent assuming the transaction of one’s business.
Black's Law Dictionary
Henry Campbell Black, M.A. · 1910
Lat In the civil law. A transacter or manager of business ; a person voluntarily constituting himself agent for another; one who, without any mandate or authority, assumes to take charge of an affair or concern for another person, in the latter's absence, but for his interest. One who spontaneously, and without the knowledge or consent of the owner, intermeddles with hls property, as to do work on it, or to carry it to another place, etc. Story, Baffin. § 189.
A Dictionary of Law
Henry Campbell Black · 1891
Lat. In the civiilaw A transacter or manager of business; & person voluntarily constituting himself agent for another; one who, without any mandate or authority, assumes to take charge of an affair or concern for another person, in the latter’s absence, but for his interest. One who spontaneously, and without the knowledge or consent of the owner, intermeddles with his property, as to do work on it, or to carry it to another place, ete. Story, Bailza, § 189.
Glossary of Technical Terms, Phrases, and Maxims of the Common Law
Frederic Jesup Stimson · 1881
I. A person who another in his absence, without his knowledge